git: 5f328e9e3f3f - stable/13 - cxgbe(4): sysctl to track the last L1_CFG32 requested by the driver.
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Date: Mon, 28 Feb 2022 06:55:37 UTC
The branch stable/13 has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=5f328e9e3f3fbe304153ca9bd93f9ea5ac4b94ae commit 5f328e9e3f3fbe304153ca9bd93f9ea5ac4b94ae Author: Navdeep Parhar <np@FreeBSD.org> AuthorDate: 2021-11-03 18:00:44 +0000 Commit: Navdeep Parhar <np@FreeBSD.org> CommitDate: 2022-02-28 06:42:32 +0000 cxgbe(4): sysctl to track the last L1_CFG32 requested by the driver. dev.<port>.<inst>.rcaps # sysctl dev.cc | grep rcaps dev.cc.1.rcaps: 581107776 dev.cc.0.rcaps: 582156414 Sponsored by: Chelsio Communications (cherry picked from commit d99b1d83b9e9ae2c47ffbd71a7c2a261d9eae2dd) --- sys/dev/cxgbe/common/common.h | 1 + sys/dev/cxgbe/common/t4_hw.c | 1 + sys/dev/cxgbe/t4_main.c | 3 +++ 3 files changed, 5 insertions(+) diff --git a/sys/dev/cxgbe/common/common.h b/sys/dev/cxgbe/common/common.h index 07d8ab2b40f0..50859e868b9d 100644 --- a/sys/dev/cxgbe/common/common.h +++ b/sys/dev/cxgbe/common/common.h @@ -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 */ diff --git a/sys/dev/cxgbe/common/t4_hw.c b/sys/dev/cxgbe/common/t4_hw.c index f06b21120061..b9bf5df5ccc6 100644 --- a/sys/dev/cxgbe/common/t4_hw.c +++ b/sys/dev/cxgbe/common/t4_hw.c @@ -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); } diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 1522b500c496..235f9a52546a 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -5762,6 +5762,7 @@ init_link_config(struct port_info *pi) PORT_LOCK_ASSERT_OWNED(pi); + lc->requested_caps = 0; lc->requested_speed = 0; if (t4_autoneg == 0) @@ -7823,6 +7824,8 @@ 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,