diff mbox series

[net-next,09/12] bnxt_en: Refactor bnxt_set_rxfh()

Message ID 20240325222902.220712-10-michael.chan@broadcom.com (mailing list archive)
State Accepted
Commit 77a614f7499edd47549f31730f50cb043b699a8b
Delegated to: Netdev Maintainers
Headers show
Series bnxt_en: PTP and RSS updates | 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: 944 this patch: 944
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/build_clang success Errors and warnings before: 955 this patch: 955
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: 956 this patch: 956
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 53 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
netdev/contest success net-next-2024-03-27--15-00 (tests: 952)

Commit Message

Michael Chan March 25, 2024, 10:28 p.m. UTC 
Add a new bnxt_modify_rss() function to modify the RSS key and RSS
indirection table.  The new function can modify the parameters for
the default context or additional contexts.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 40 +++++++++++++------
 1 file changed, 27 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 771833b1900d..7f57198f5834 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -1778,6 +1778,32 @@  static int bnxt_get_rxfh(struct net_device *dev,
 	return 0;
 }
 
+static void bnxt_modify_rss(struct bnxt *bp, struct bnxt_rss_ctx *rss_ctx,
+			    struct ethtool_rxfh_param *rxfh)
+{
+	if (rxfh->key) {
+		if (rss_ctx) {
+			memcpy(rss_ctx->vnic.rss_hash_key, rxfh->key,
+			       HW_HASH_KEY_SIZE);
+		} else {
+			memcpy(bp->rss_hash_key, rxfh->key, HW_HASH_KEY_SIZE);
+			bp->rss_hash_key_updated = true;
+		}
+	}
+	if (rxfh->indir) {
+		u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(bp->dev);
+		u16 *indir_tbl = bp->rss_indir_tbl;
+
+		if (rss_ctx)
+			indir_tbl = rss_ctx->rss_indir_tbl;
+		for (i = 0; i < tbl_size; i++)
+			indir_tbl[i] = rxfh->indir[i];
+		pad = bp->rss_indir_tbl_entries - tbl_size;
+		if (pad)
+			memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
+	}
+}
+
 static int bnxt_set_rxfh(struct net_device *dev,
 			 struct ethtool_rxfh_param *rxfh,
 			 struct netlink_ext_ack *extack)
@@ -1788,20 +1814,8 @@  static int bnxt_set_rxfh(struct net_device *dev,
 	if (rxfh->hfunc && rxfh->hfunc != ETH_RSS_HASH_TOP)
 		return -EOPNOTSUPP;
 
-	if (rxfh->key) {
-		memcpy(bp->rss_hash_key, rxfh->key, HW_HASH_KEY_SIZE);
-		bp->rss_hash_key_updated = true;
-	}
-
-	if (rxfh->indir) {
-		u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);
+	bnxt_modify_rss(bp, NULL, rxfh);
 
-		for (i = 0; i < tbl_size; i++)
-			bp->rss_indir_tbl[i] = rxfh->indir[i];
-		pad = bp->rss_indir_tbl_entries - tbl_size;
-		if (pad)
-			memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
-	}
 	bnxt_clear_usr_fltrs(bp, false);
 	if (netif_running(bp->dev)) {
 		bnxt_close_nic(bp, false, false);