mirror of
https://github.com/torvalds/linux
synced 2024-10-17 00:39:37 +00:00
Merge branch 'macsec-selftests'
Sabrina Dubroca says: ==================== net: add MACsec offload selftests Patch 1 adds MACsec offload to netdevsim (unchanged from v2). Patch 2 adds a corresponding selftest to the rtnetlink testsuite. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
f16276ad9d
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@ -17,3 +17,7 @@ endif
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ifneq ($(CONFIG_PSAMPLE),)
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netdevsim-objs += psample.o
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endif
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ifneq ($(CONFIG_MACSEC),)
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netdevsim-objs += macsec.o
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endif
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356
drivers/net/netdevsim/macsec.c
Normal file
356
drivers/net/netdevsim/macsec.c
Normal file
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@ -0,0 +1,356 @@
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// SPDX-License-Identifier: GPL-2.0
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#include <net/macsec.h>
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#include "netdevsim.h"
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static inline u64 sci_to_cpu(sci_t sci)
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{
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return be64_to_cpu((__force __be64)sci);
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}
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static int nsim_macsec_find_secy(struct netdevsim *ns, sci_t sci)
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{
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int i;
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for (i = 0; i < NSIM_MACSEC_MAX_SECY_COUNT; i++) {
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if (ns->macsec.nsim_secy[i].sci == sci)
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return i;
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}
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return -1;
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}
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static int nsim_macsec_find_rxsc(struct nsim_secy *ns_secy, sci_t sci)
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{
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int i;
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for (i = 0; i < NSIM_MACSEC_MAX_RXSC_COUNT; i++) {
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if (ns_secy->nsim_rxsc[i].sci == sci)
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return i;
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}
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return -1;
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}
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static int nsim_macsec_add_secy(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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int idx;
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if (ns->macsec.nsim_secy_count == NSIM_MACSEC_MAX_SECY_COUNT)
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return -ENOSPC;
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for (idx = 0; idx < NSIM_MACSEC_MAX_SECY_COUNT; idx++) {
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if (!ns->macsec.nsim_secy[idx].used)
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break;
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}
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if (idx == NSIM_MACSEC_MAX_SECY_COUNT) {
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netdev_err(ctx->netdev, "%s: nsim_secy_count not full but all SecYs used\n",
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__func__);
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return -ENOSPC;
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}
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netdev_dbg(ctx->netdev, "%s: adding new secy with sci %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->secy->sci), idx);
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ns->macsec.nsim_secy[idx].used = true;
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ns->macsec.nsim_secy[idx].nsim_rxsc_count = 0;
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ns->macsec.nsim_secy[idx].sci = ctx->secy->sci;
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ns->macsec.nsim_secy_count++;
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return 0;
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}
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static int nsim_macsec_upd_secy(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: updating secy with sci %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->secy->sci), idx);
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return 0;
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}
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static int nsim_macsec_del_secy(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: removing SecY with SCI %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->secy->sci), idx);
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ns->macsec.nsim_secy[idx].used = false;
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memset(&ns->macsec.nsim_secy[idx], 0, sizeof(ns->macsec.nsim_secy[idx]));
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ns->macsec.nsim_secy_count--;
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return 0;
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}
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static int nsim_macsec_add_rxsc(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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if (secy->nsim_rxsc_count == NSIM_MACSEC_MAX_RXSC_COUNT)
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return -ENOSPC;
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for (idx = 0; idx < NSIM_MACSEC_MAX_RXSC_COUNT; idx++) {
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if (!secy->nsim_rxsc[idx].used)
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break;
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}
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if (idx == NSIM_MACSEC_MAX_RXSC_COUNT)
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netdev_err(ctx->netdev, "%s: nsim_rxsc_count not full but all RXSCs used\n",
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__func__);
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netdev_dbg(ctx->netdev, "%s: adding new rxsc with sci %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->rx_sc->sci), idx);
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secy->nsim_rxsc[idx].used = true;
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secy->nsim_rxsc[idx].sci = ctx->rx_sc->sci;
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secy->nsim_rxsc_count++;
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return 0;
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}
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static int nsim_macsec_upd_rxsc(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n",
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__func__, sci_to_cpu(ctx->rx_sc->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: updating RXSC with sci %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->rx_sc->sci), idx);
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return 0;
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}
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static int nsim_macsec_del_rxsc(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n",
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__func__, sci_to_cpu(ctx->rx_sc->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: removing RXSC with sci %08llx at index %d\n",
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__func__, sci_to_cpu(ctx->rx_sc->sci), idx);
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secy->nsim_rxsc[idx].used = false;
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memset(&secy->nsim_rxsc[idx], 0, sizeof(secy->nsim_rxsc[idx]));
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secy->nsim_rxsc_count--;
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return 0;
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}
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static int nsim_macsec_add_rxsa(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num);
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return 0;
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}
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static int nsim_macsec_upd_rxsa(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num);
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return 0;
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}
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static int nsim_macsec_del_rxsa(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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struct nsim_secy *secy;
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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secy = &ns->macsec.nsim_secy[idx];
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idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n",
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__func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num);
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return 0;
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}
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static int nsim_macsec_add_txsa(struct macsec_context *ctx)
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{
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struct netdevsim *ns = netdev_priv(ctx->netdev);
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int idx;
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
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if (idx < 0) {
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
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__func__, sci_to_cpu(ctx->secy->sci));
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return -ENOENT;
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}
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netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n",
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__func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num);
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|
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return 0;
|
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}
|
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|
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static int nsim_macsec_upd_txsa(struct macsec_context *ctx)
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{
|
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struct netdevsim *ns = netdev_priv(ctx->netdev);
|
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int idx;
|
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|
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
|
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if (idx < 0) {
|
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netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
|
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__func__, sci_to_cpu(ctx->secy->sci));
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n",
|
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__func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num);
|
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|
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return 0;
|
||||
}
|
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|
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static int nsim_macsec_del_txsa(struct macsec_context *ctx)
|
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{
|
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struct netdevsim *ns = netdev_priv(ctx->netdev);
|
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int idx;
|
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|
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idx = nsim_macsec_find_secy(ns, ctx->secy->sci);
|
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if (idx < 0) {
|
||||
netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n",
|
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__func__, sci_to_cpu(ctx->secy->sci));
|
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return -ENOENT;
|
||||
}
|
||||
|
||||
netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n",
|
||||
__func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num);
|
||||
|
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return 0;
|
||||
}
|
||||
|
||||
static const struct macsec_ops nsim_macsec_ops = {
|
||||
.mdo_add_secy = nsim_macsec_add_secy,
|
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.mdo_upd_secy = nsim_macsec_upd_secy,
|
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.mdo_del_secy = nsim_macsec_del_secy,
|
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.mdo_add_rxsc = nsim_macsec_add_rxsc,
|
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.mdo_upd_rxsc = nsim_macsec_upd_rxsc,
|
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.mdo_del_rxsc = nsim_macsec_del_rxsc,
|
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.mdo_add_rxsa = nsim_macsec_add_rxsa,
|
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.mdo_upd_rxsa = nsim_macsec_upd_rxsa,
|
||||
.mdo_del_rxsa = nsim_macsec_del_rxsa,
|
||||
.mdo_add_txsa = nsim_macsec_add_txsa,
|
||||
.mdo_upd_txsa = nsim_macsec_upd_txsa,
|
||||
.mdo_del_txsa = nsim_macsec_del_txsa,
|
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};
|
||||
|
||||
void nsim_macsec_init(struct netdevsim *ns)
|
||||
{
|
||||
ns->netdev->macsec_ops = &nsim_macsec_ops;
|
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ns->netdev->features |= NETIF_F_HW_MACSEC;
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memset(&ns->macsec, 0, sizeof(ns->macsec));
|
||||
}
|
||||
|
||||
void nsim_macsec_teardown(struct netdevsim *ns)
|
||||
{
|
||||
}
|
||||
|
|
@ -304,6 +304,7 @@ static int nsim_init_netdevsim(struct netdevsim *ns)
|
|||
if (err)
|
||||
goto err_utn_destroy;
|
||||
|
||||
nsim_macsec_init(ns);
|
||||
nsim_ipsec_init(ns);
|
||||
|
||||
err = register_netdevice(ns->netdev);
|
||||
|
|
@ -314,6 +315,7 @@ static int nsim_init_netdevsim(struct netdevsim *ns)
|
|||
|
||||
err_ipsec_teardown:
|
||||
nsim_ipsec_teardown(ns);
|
||||
nsim_macsec_teardown(ns);
|
||||
nsim_bpf_uninit(ns);
|
||||
err_utn_destroy:
|
||||
rtnl_unlock();
|
||||
|
|
@ -374,6 +376,7 @@ void nsim_destroy(struct netdevsim *ns)
|
|||
rtnl_lock();
|
||||
unregister_netdevice(dev);
|
||||
if (nsim_dev_port_is_pf(ns->nsim_dev_port)) {
|
||||
nsim_macsec_teardown(ns);
|
||||
nsim_ipsec_teardown(ns);
|
||||
nsim_bpf_uninit(ns);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@
|
|||
#include <net/devlink.h>
|
||||
#include <net/udp_tunnel.h>
|
||||
#include <net/xdp.h>
|
||||
#include <net/macsec.h>
|
||||
|
||||
#define DRV_NAME "netdevsim"
|
||||
|
||||
|
|
@ -52,6 +53,25 @@ struct nsim_ipsec {
|
|||
u32 ok;
|
||||
};
|
||||
|
||||
#define NSIM_MACSEC_MAX_SECY_COUNT 3
|
||||
#define NSIM_MACSEC_MAX_RXSC_COUNT 1
|
||||
struct nsim_rxsc {
|
||||
sci_t sci;
|
||||
bool used;
|
||||
};
|
||||
|
||||
struct nsim_secy {
|
||||
sci_t sci;
|
||||
struct nsim_rxsc nsim_rxsc[NSIM_MACSEC_MAX_RXSC_COUNT];
|
||||
u8 nsim_rxsc_count;
|
||||
bool used;
|
||||
};
|
||||
|
||||
struct nsim_macsec {
|
||||
struct nsim_secy nsim_secy[NSIM_MACSEC_MAX_SECY_COUNT];
|
||||
u8 nsim_secy_count;
|
||||
};
|
||||
|
||||
struct nsim_ethtool_pauseparam {
|
||||
bool rx;
|
||||
bool tx;
|
||||
|
|
@ -93,6 +113,7 @@ struct netdevsim {
|
|||
|
||||
bool bpf_map_accept;
|
||||
struct nsim_ipsec ipsec;
|
||||
struct nsim_macsec macsec;
|
||||
struct {
|
||||
u32 inject_error;
|
||||
u32 sleep;
|
||||
|
|
@ -366,6 +387,19 @@ static inline bool nsim_ipsec_tx(struct netdevsim *ns, struct sk_buff *skb)
|
|||
}
|
||||
#endif
|
||||
|
||||
#if IS_ENABLED(CONFIG_MACSEC)
|
||||
void nsim_macsec_init(struct netdevsim *ns);
|
||||
void nsim_macsec_teardown(struct netdevsim *ns);
|
||||
#else
|
||||
static inline void nsim_macsec_init(struct netdevsim *ns)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void nsim_macsec_teardown(struct netdevsim *ns)
|
||||
{
|
||||
}
|
||||
#endif
|
||||
|
||||
struct nsim_bus_dev {
|
||||
struct device dev;
|
||||
struct list_head list;
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@ ALL_TESTS="
|
|||
kci_test_vrf
|
||||
kci_test_encap
|
||||
kci_test_macsec
|
||||
kci_test_macsec_offload
|
||||
kci_test_ipsec
|
||||
kci_test_ipsec_offload
|
||||
kci_test_fdb_get
|
||||
|
|
@ -643,6 +644,88 @@ kci_test_macsec()
|
|||
echo "PASS: macsec"
|
||||
}
|
||||
|
||||
kci_test_macsec_offload()
|
||||
{
|
||||
sysfsd=/sys/kernel/debug/netdevsim/netdevsim0/ports/0/
|
||||
sysfsnet=/sys/bus/netdevsim/devices/netdevsim0/net/
|
||||
probed=false
|
||||
local ret=0
|
||||
|
||||
ip macsec help 2>&1 | grep -q "^Usage: ip macsec"
|
||||
if [ $? -ne 0 ]; then
|
||||
echo "SKIP: macsec: iproute2 too old"
|
||||
return $ksft_skip
|
||||
fi
|
||||
|
||||
# setup netdevsim since dummydev doesn't have offload support
|
||||
if [ ! -w /sys/bus/netdevsim/new_device ] ; then
|
||||
modprobe -q netdevsim
|
||||
check_err $?
|
||||
if [ $ret -ne 0 ]; then
|
||||
echo "SKIP: macsec_offload can't load netdevsim"
|
||||
return $ksft_skip
|
||||
fi
|
||||
probed=true
|
||||
fi
|
||||
|
||||
echo "0" > /sys/bus/netdevsim/new_device
|
||||
while [ ! -d $sysfsnet ] ; do :; done
|
||||
udevadm settle
|
||||
dev=`ls $sysfsnet`
|
||||
|
||||
ip link set $dev up
|
||||
if [ ! -d $sysfsd ] ; then
|
||||
echo "FAIL: macsec_offload can't create device $dev"
|
||||
return 1
|
||||
fi
|
||||
|
||||
ethtool -k $dev | grep -q 'macsec-hw-offload: on'
|
||||
if [ $? -eq 1 ] ; then
|
||||
echo "FAIL: macsec_offload netdevsim doesn't support MACsec offload"
|
||||
return 1
|
||||
fi
|
||||
|
||||
ip link add link $dev kci_macsec1 type macsec port 4 offload mac
|
||||
check_err $?
|
||||
|
||||
ip link add link $dev kci_macsec2 type macsec address "aa:bb:cc:dd:ee:ff" port 5 offload mac
|
||||
check_err $?
|
||||
|
||||
ip link add link $dev kci_macsec3 type macsec sci abbacdde01020304 offload mac
|
||||
check_err $?
|
||||
|
||||
ip link add link $dev kci_macsec4 type macsec port 8 offload mac 2> /dev/null
|
||||
check_fail $?
|
||||
|
||||
msname=kci_macsec1
|
||||
|
||||
ip macsec add "$msname" tx sa 0 pn 1024 on key 01 12345678901234567890123456789012
|
||||
check_err $?
|
||||
|
||||
ip macsec add "$msname" rx port 1234 address "1c:ed:de:ad:be:ef"
|
||||
check_err $?
|
||||
|
||||
ip macsec add "$msname" rx port 1234 address "1c:ed:de:ad:be:ef" sa 0 pn 1 on \
|
||||
key 00 0123456789abcdef0123456789abcdef
|
||||
check_err $?
|
||||
|
||||
ip macsec add "$msname" rx port 1235 address "1c:ed:de:ad:be:ef" 2> /dev/null
|
||||
check_fail $?
|
||||
|
||||
# clean up any leftovers
|
||||
for msdev in kci_macsec{1,2,3,4} ; do
|
||||
ip link del $msdev 2> /dev/null
|
||||
done
|
||||
echo 0 > /sys/bus/netdevsim/del_device
|
||||
$probed && rmmod netdevsim
|
||||
|
||||
if [ $ret -ne 0 ]; then
|
||||
echo "FAIL: macsec_offload"
|
||||
return 1
|
||||
fi
|
||||
echo "PASS: macsec_offload"
|
||||
}
|
||||
|
||||
#-------------------------------------------------------------------
|
||||
# Example commands
|
||||
# ip x s add proto esp src 14.0.0.52 dst 14.0.0.70 \
|
||||
|
|
|
|||
Loading…
Reference in a new issue