diff mbox series

[net-next,v4,6/6] enic: Obtain the Link speed only after the link comes up

Message ID 20250102222427.28370-7-johndale@cisco.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series enic: Use Page Pool API for receiving packets | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 2 this patch: 2
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 11 this patch: 11
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 22 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

John Daley Jan. 2, 2025, 10:24 p.m. UTC 
The link speed is obtained in the RX adaptive coalescing function. It
was being called at probe time when the link may not be up. Change the
call to run after the Link comes up.

The impact of not getting the correct link speed was that the low end of
the adaptive interrupt range was always being set to 0 which could have
caused a slight increase in the number of RX interrupts.

Co-developed-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
---
 drivers/net/ethernet/cisco/enic/enic_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 21cbd7ed7bda..12678bcf96a6 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -109,7 +109,7 @@  static struct enic_intr_mod_table mod_table[ENIC_MAX_COALESCE_TIMERS + 1] = {
 static struct enic_intr_mod_range mod_range[ENIC_MAX_LINK_SPEEDS] = {
 	{0,  0}, /* 0  - 4  Gbps */
 	{0,  3}, /* 4  - 10 Gbps */
-	{3,  6}, /* 10 - 40 Gbps */
+	{3,  6}, /* 10+ Gbps */
 };
 
 static void enic_init_affinity_hint(struct enic *enic)
@@ -466,6 +466,7 @@  static void enic_link_check(struct enic *enic)
 	if (link_status && !carrier_ok) {
 		netdev_info(enic->netdev, "Link UP\n");
 		netif_carrier_on(enic->netdev);
+		enic_set_rx_coal_setting(enic);
 	} else if (!link_status && carrier_ok) {
 		netdev_info(enic->netdev, "Link DOWN\n");
 		netif_carrier_off(enic->netdev);
@@ -3016,7 +3017,6 @@  static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	timer_setup(&enic->notify_timer, enic_notify_timer, 0);
 
 	enic_rfs_flw_tbl_init(enic);
-	enic_set_rx_coal_setting(enic);
 	INIT_WORK(&enic->reset, enic_reset);
 	INIT_WORK(&enic->tx_hang_reset, enic_tx_hang_reset);
 	INIT_WORK(&enic->change_mtu_work, enic_change_mtu_work);