From: "Dmitry Kravkov" <dmitry@broadcom.com>
To: davem@davemloft.net, netdev@vger.kernel.org
Cc: eilong@broadcom.com, "Dmitry Kravkov" <dmitry@broadcom.com>,
"Ariel Elior" <ariele@broadcom.com>
Subject: [PATCH net v5 2/5] bnx2x: update fairness parameters following DCB negotiation
Date: Tue, 13 Aug 2013 02:25:00 +0300 [thread overview]
Message-ID: <1376349903-3461-3-git-send-email-dmitry@broadcom.com> (raw)
In-Reply-To: <1376349903-3461-1-git-send-email-dmitry@broadcom.com>
ETS can be enabled as a result of DCB negotiation, then
fairness must be recalculated after each negotiation.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 2 ++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c | 4 ++++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 30 ++++++++++++++----------
3 files changed, 24 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 98be67f..f07a7ff 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -2453,4 +2453,6 @@ enum bnx2x_pci_bus_speed {
BNX2X_PCI_LINK_SPEED_5000 = 5000,
BNX2X_PCI_LINK_SPEED_8000 = 8000
};
+
+void bnx2x_set_local_cmng(struct bnx2x *bp);
#endif /* bnx2x.h */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
index 0c94df4..f9122f2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
@@ -753,6 +753,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
bnx2x_pfc_set_pfc(bp);
bnx2x_dcbx_update_ets_params(bp);
+
+ /* ets may affect cmng configuration: reinit it in hw */
+ bnx2x_set_local_cmng(bp);
+
bnx2x_dcbx_resume_hw_tx(bp);
return;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 6e1e9e7..78b7195 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2476,7 +2476,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
input.port_rate = bp->link_vars.line_speed;
- if (cmng_type == CMNG_FNS_MINMAX) {
+ if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) {
int vn;
/* read mf conf from shmem */
@@ -2533,6 +2533,21 @@ static void storm_memset_cmng(struct bnx2x *bp,
}
}
+/* init cmng mode in HW according to local configuration */
+void bnx2x_set_local_cmng(struct bnx2x *bp)
+{
+ int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
+
+ if (cmng_fns != CMNG_FNS_NONE) {
+ bnx2x_cmng_fns_init(bp, false, cmng_fns);
+ storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
+ } else {
+ /* rate shaping and fairness are disabled */
+ DP(NETIF_MSG_IFUP,
+ "single function mode without fairness\n");
+ }
+}
+
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
@@ -2568,17 +2583,8 @@ static void bnx2x_link_attn(struct bnx2x *bp)
bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
}
- if (bp->link_vars.link_up && bp->link_vars.line_speed) {
- int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
-
- if (cmng_fns != CMNG_FNS_NONE) {
- bnx2x_cmng_fns_init(bp, false, cmng_fns);
- storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
- } else
- /* rate shaping and fairness are disabled */
- DP(NETIF_MSG_IFUP,
- "single function mode without fairness\n");
- }
+ if (bp->link_vars.link_up && bp->link_vars.line_speed)
+ bnx2x_set_local_cmng(bp);
__bnx2x_link_report(bp);
--
1.8.1.4
next prev parent reply other threads:[~2013-08-12 23:25 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 23:24 [PATCH net v5 0/5] bnx2x: fixes Dmitry Kravkov
2013-08-12 23:24 ` [PATCH net v5 1/5] bnx2x: protect different statistics flows Dmitry Kravkov
2013-08-13 0:12 ` Stephen Hemminger
2013-08-13 4:24 ` David Miller
2013-08-13 17:57 ` Stephen Hemminger
2013-08-13 17:54 ` Neal Cardwell
2013-08-12 23:25 ` Dmitry Kravkov [this message]
2013-08-12 23:25 ` [PATCH net v5 3/5] bnx2x: fix memory leak in VF Dmitry Kravkov
2013-08-12 23:25 ` [PATCH net v5 4/5] bnx2x: fix PTE write access error Dmitry Kravkov
2013-08-12 23:25 ` [PATCH net v5 5/5] bnx2x: prevent crash in shutdown flow with CNIC Dmitry Kravkov
2013-08-13 12:30 ` [PATCH net v5 0/5] bnx2x: fixes Benjamin Poirier
2013-08-13 12:38 ` Ariel Elior
2013-08-13 14:07 ` Benjamin Poirier
2013-08-13 14:16 ` Dmitry Kravkov
2013-08-13 17:44 ` Benjamin Poirier
2013-08-13 23:04 ` David Miller
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