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cxgbe(4): sysctl to track the last L1_CFG32 requested by the driver.

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dev.<port>.<inst>.rcaps

 # sysctl dev.cc | grep rcaps
 dev.cc.1.rcaps: 581107776
 dev.cc.0.rcaps: 582156414

MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2021-11-03 11:00:44 -07:00
parent b2bf1a5787
commit d99b1d83b9
3 changed files with 5 additions and 0 deletions
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1
sys/dev/cxgbe/common/common.h
View File

@ -444,6 +444,7 @@ struct link_config {
int8_t requested_fc; /* flow control */
int8_t requested_fec; /* FEC */
u_int requested_speed; /* speed (Mbps) */
uint32_t requested_caps;/* rcap in last l1cfg issued by the driver. */
uint32_t pcaps; /* link capabilities */
uint32_t acaps; /* advertised capabilities */

1
sys/dev/cxgbe/common/t4_hw.c
View File

@ -3975,6 +3975,7 @@ int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
c.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
}
lc->requested_caps = rcap;
return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
}

3
sys/dev/cxgbe/t4_main.c
View File

@ -5703,6 +5703,7 @@ init_link_config(struct port_info *pi)
PORT_LOCK_ASSERT_OWNED(pi);
lc->requested_caps = 0;
lc->requested_speed = 0;
if (t4_autoneg == 0)
@ -7770,6 +7771,8 @@ cxgbe_sysctls(struct port_info *pi)
sysctl_autoneg, "I",
"autonegotiation (-1 = not supported)");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rcaps", CTLFLAG_RD,
&pi->link_cfg.requested_caps, 0, "L1 config requested by driver");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "pcaps", CTLFLAG_RD,
&pi->link_cfg.pcaps, 0, "port capabilities");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "acaps", CTLFLAG_RD,