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https://github.com/torvalds/linux
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386403a115
Pull networking updates from David Miller:
"Another merge window, another pull full of stuff:
1) Support alternative names for network devices, from Jiri Pirko.
2) Introduce per-netns netdev notifiers, also from Jiri Pirko.
3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
Larsen.
4) Allow compiling out the TLS TOE code, from Jakub Kicinski.
5) Add several new tracepoints to the kTLS code, also from Jakub.
6) Support set channels ethtool callback in ena driver, from Sameeh
Jubran.
7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.
8) Add XDP support to mvneta driver, from Lorenzo Bianconi.
9) Lots of netfilter hw offload fixes, cleanups and enhancements,
from Pablo Neira Ayuso.
10) PTP support for aquantia chips, from Egor Pomozov.
11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
Josh Hunt.
12) Add smart nagle to tipc, from Jon Maloy.
13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
Duvvuru.
14) Add a flow mask cache to OVS, from Tonghao Zhang.
15) Add XDP support to ice driver, from Maciej Fijalkowski.
16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.
17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.
18) Support it in stmmac driver too, from Jose Abreu.
19) Support TIPC encryption and auth, from Tuong Lien.
20) Introduce BPF trampolines, from Alexei Starovoitov.
21) Make page_pool API more numa friendly, from Saeed Mahameed.
22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.
23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
libbpf: Fix usage of u32 in userspace code
mm: Implement no-MMU variant of vmalloc_user_node_flags
slip: Fix use-after-free Read in slip_open
net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
macvlan: schedule bc_work even if error
enetc: add support Credit Based Shaper(CBS) for hardware offload
net: phy: add helpers phy_(un)lock_mdio_bus
mdio_bus: don't use managed reset-controller
ax88179_178a: add ethtool_op_get_ts_info()
mlxsw: spectrum_router: Fix use of uninitialized adjacency index
mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
bpf: Simplify __bpf_arch_text_poke poke type handling
bpf: Introduce BPF_TRACE_x helper for the tracing tests
bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
bpf, testing: Add various tail call test cases
bpf, x86: Emit patchable direct jump as tail call
bpf: Constant map key tracking for prog array pokes
bpf: Add poke dependency tracking for prog array maps
bpf: Add initial poke descriptor table for jit images
bpf: Move owner type, jited info into array auxiliary data
...
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 2007
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* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
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* Frank Pavlic <fpavlic@de.ibm.com>,
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* Thomas Spatzier <tspat@de.ibm.com>,
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* Frank Blaschka <frank.blaschka@de.ibm.com>
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*/
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#ifndef __QETH_L3_H__
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#define __QETH_L3_H__
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#include "qeth_core.h"
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#include <linux/hashtable.h>
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enum qeth_ip_types {
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QETH_IP_TYPE_NORMAL,
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QETH_IP_TYPE_VIPA,
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QETH_IP_TYPE_RXIP,
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};
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struct qeth_ipaddr {
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struct hlist_node hnode;
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enum qeth_ip_types type;
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u8 is_multicast:1;
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u8 in_progress:1;
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u8 disp_flag:2;
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u8 ipato:1; /* ucast only */
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/* is changed only for normal ip addresses
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* for non-normal addresses it always is 1
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*/
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int ref_counter;
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enum qeth_prot_versions proto;
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union {
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struct {
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__be32 addr;
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unsigned int mask;
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} a4;
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struct {
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struct in6_addr addr;
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unsigned int pfxlen;
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} a6;
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} u;
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};
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static inline void qeth_l3_init_ipaddr(struct qeth_ipaddr *addr,
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enum qeth_ip_types type,
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enum qeth_prot_versions proto)
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{
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memset(addr, 0, sizeof(*addr));
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addr->type = type;
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addr->proto = proto;
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addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
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addr->ref_counter = 1;
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}
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static inline bool qeth_l3_addr_match_ip(struct qeth_ipaddr *a1,
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struct qeth_ipaddr *a2)
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{
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if (a1->proto != a2->proto)
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return false;
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if (a1->proto == QETH_PROT_IPV6)
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return ipv6_addr_equal(&a1->u.a6.addr, &a2->u.a6.addr);
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return a1->u.a4.addr == a2->u.a4.addr;
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}
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static inline bool qeth_l3_addr_match_all(struct qeth_ipaddr *a1,
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struct qeth_ipaddr *a2)
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{
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/* Assumes that the pair was obtained via qeth_l3_addr_find_by_ip(),
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* so 'proto' and 'addr' match for sure.
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*
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* For ucast:
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* - 'mask'/'pfxlen' for RXIP/VIPA is always 0. For NORMAL, matching
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* values are required to avoid mixups in takeover eligibility.
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*
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* For mcast,
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* - 'mask'/'pfxlen' is always 0.
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*/
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if (a1->type != a2->type)
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return false;
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if (a1->proto == QETH_PROT_IPV6)
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return a1->u.a6.pfxlen == a2->u.a6.pfxlen;
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return a1->u.a4.mask == a2->u.a4.mask;
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}
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static inline u32 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr)
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{
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if (addr->proto == QETH_PROT_IPV6)
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return ipv6_addr_hash(&addr->u.a6.addr);
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else
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return ipv4_addr_hash(addr->u.a4.addr);
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}
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struct qeth_ipato_entry {
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struct list_head entry;
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enum qeth_prot_versions proto;
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char addr[16];
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int mask_bits;
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};
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extern const struct attribute_group *qeth_l3_attr_groups[];
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void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
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int qeth_l3_create_device_attributes(struct device *);
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void qeth_l3_remove_device_attributes(struct device *);
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int qeth_l3_setrouting_v4(struct qeth_card *);
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int qeth_l3_setrouting_v6(struct qeth_card *);
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int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
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int qeth_l3_del_ipato_entry(struct qeth_card *card,
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enum qeth_prot_versions proto, u8 *addr,
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int mask_bits);
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void qeth_l3_update_ipato(struct qeth_card *card);
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int qeth_l3_modify_hsuid(struct qeth_card *card, bool add);
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int qeth_l3_modify_rxip_vipa(struct qeth_card *card, bool add, const u8 *ip,
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enum qeth_ip_types type,
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enum qeth_prot_versions proto);
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#endif /* __QETH_L3_H__ */
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