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[net-next,05/10] drivers: net: xgene: Fix RSS indirection table fields

Message ID 1469838843-19943-6-git-send-email-isubramanian@apm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Iyappan Subramanian July 30, 2016, 12:33 a.m. UTC 
This patch fixes FPSel and NxtFPSel fields length to 5-bit value.

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Tested-by: Fushen Chen <fchen@apm.com>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_cle.c | 17 ++++++++++++-----
 drivers/net/ethernet/apm/xgene/xgene_enet_cle.h | 10 +++++++---
 2 files changed, 19 insertions(+), 8 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
index 472c0fb..23d72af 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
@@ -32,12 +32,19 @@  static void xgene_cle_sband_to_hw(u8 frag, enum xgene_cle_prot_version ver,
 		SET_VAL(SB_HDRLEN, len);
 }
 
-static void xgene_cle_idt_to_hw(u32 dstqid, u32 fpsel,
+static void xgene_cle_idt_to_hw(struct xgene_enet_pdata *pdata,
+				u32 dstqid, u32 fpsel,
 				u32 nfpsel, u32 *idt_reg)
 {
-	*idt_reg =  SET_VAL(IDT_DSTQID, dstqid) |
-		    SET_VAL(IDT_FPSEL, fpsel) |
-		    SET_VAL(IDT_NFPSEL, nfpsel);
+	if (pdata->enet_id == XGENE_ENET1) {
+		*idt_reg = SET_VAL(IDT_DSTQID, dstqid) |
+			   SET_VAL(IDT_FPSEL1, fpsel)  |
+			   SET_VAL(IDT_NFPSEL1, nfpsel);
+	} else {
+		*idt_reg = SET_VAL(IDT_DSTQID, dstqid) |
+			   SET_VAL(IDT_FPSEL, fpsel)   |
+			   SET_VAL(IDT_NFPSEL, nfpsel);
+	}
 }
 
 static void xgene_cle_dbptr_to_hw(struct xgene_enet_pdata *pdata,
@@ -344,7 +351,7 @@  static int xgene_cle_set_rss_idt(struct xgene_enet_pdata *pdata)
 		nfpsel = 0;
 		idt_reg = 0;
 
-		xgene_cle_idt_to_hw(dstqid, fpsel, nfpsel, &idt_reg);
+		xgene_cle_idt_to_hw(pdata, dstqid, fpsel, nfpsel, &idt_reg);
 		ret = xgene_cle_dram_wr(&pdata->cle, &idt_reg, 1, i,
 					RSS_IDT, CLE_CMD_WR);
 		if (ret)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
index 33c5f6b..9ac9f8e 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
@@ -196,9 +196,13 @@  enum xgene_cle_ptree_dbptrs {
 #define IDT_DSTQID_POS		0
 #define IDT_DSTQID_LEN		12
 #define IDT_FPSEL_POS		12
-#define IDT_FPSEL_LEN		4
-#define IDT_NFPSEL_POS		16
-#define IDT_NFPSEL_LEN		4
+#define IDT_FPSEL_LEN		5
+#define IDT_NFPSEL_POS		17
+#define IDT_NFPSEL_LEN		5
+#define IDT_FPSEL1_POS		12
+#define IDT_FPSEL1_LEN		4
+#define IDT_NFPSEL1_POS		16
+#define IDT_NFPSEL1_LEN		4
 
 struct xgene_cle_ptree_branch {
 	bool valid;