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cxgbei: Return limits for the specific adapter the socket is on.

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Reviewed by:	mav
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D34929
This commit is contained in:
John Baldwin 2022-04-18 12:50:20 -07:00
parent 7b02c1e8c6
commit 43d5661a9d
1 changed files with 64 additions and 2 deletions
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66
sys/dev/cxgbe/cxgbei/icl_cxgbei.c
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@ -1745,6 +1745,7 @@ icl_cxgbei_conn_transfer_done(struct icl_conn *ic, void *arg)
}
}
#ifdef COMPAT_FREEBSD13
static void
cxgbei_limits(struct adapter *sc, void *arg)
{
@ -1771,6 +1772,62 @@ cxgbei_limits(struct adapter *sc, void *arg)
end_synchronized_op(sc, LOCK_HELD);
}
#endif
static int
cxgbei_limits_fd(struct icl_drv_limits *idl, int fd)
{
struct find_ofld_adapter_rr fa;
struct file *fp;
struct socket *so;
struct adapter *sc;
struct cxgbei_data *ci;
cap_rights_t rights;
int error;
error = fget(curthread, fd,
cap_rights_init_one(&rights, CAP_SOCK_CLIENT), &fp);
if (error != 0)
return (error);
if (fp->f_type != DTYPE_SOCKET) {
fdrop(fp, curthread);
return (EINVAL);
}
so = fp->f_data;
if (so->so_type != SOCK_STREAM ||
so->so_proto->pr_protocol != IPPROTO_TCP) {
fdrop(fp, curthread);
return (EINVAL);
}
/* Find the adapter offloading this socket. */
fa.sc = NULL;
fa.so = so;
t4_iterate(find_offload_adapter, &fa);
if (fa.sc == NULL) {
fdrop(fp, curthread);
return (ENXIO);
}
fdrop(fp, curthread);
sc = fa.sc;
error = begin_synchronized_op(sc, NULL, HOLD_LOCK, "t4lims");
if (error != 0)
return (error);
if (uld_active(sc, ULD_ISCSI)) {
ci = sc->iscsi_ulp_softc;
MPASS(ci != NULL);
idl->idl_max_recv_data_segment_length = ci->max_rx_data_len;
idl->idl_max_send_data_segment_length = ci->max_tx_data_len;
} else
error = ENXIO;
end_synchronized_op(sc, LOCK_HELD);
return (error);
}
static int
icl_cxgbei_limits(struct icl_drv_limits *idl, int socket)
@ -1784,9 +1841,14 @@ icl_cxgbei_limits(struct icl_drv_limits *idl, int socket)
idl->idl_max_burst_length = max_burst_length;
idl->idl_first_burst_length = first_burst_length;
t4_iterate(cxgbei_limits, idl);
#ifdef COMPAT_FREEBSD13
if (socket == 0) {
t4_iterate(cxgbei_limits, idl);
return (0);
}
#endif
return (0);
return (cxgbei_limits_fd(idl, socket));
}
int