bnxt_en: Fix context memory setup for 64K page size.
authorMichael Chan <michael.chan@broadcom.com>
Sat, 15 May 2021 07:25:19 +0000 (03:25 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Jun 2021 07:00:48 +0000 (09:00 +0200)
[ Upstream commit 702279d2ce4650000bb6302013630304e359dc13 ]

There was a typo in the code that checks for 64K BNXT_PAGE_SHIFT in
bnxt_hwrm_set_pg_attr().  Fix it and make the code more understandable
with a new macro BNXT_SET_CTX_PAGE_ATTR().

Fixes: 1b9394e5a2ad ("bnxt_en: Configure context memory on new devices.")
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/broadcom/bnxt/bnxt.c
drivers/net/ethernet/broadcom/bnxt/bnxt.h

index ff86324c7fb8549ec0063fe48ef15b811f4cf3c3..adfaa9a850dd325a7b5cbcffe6c7aad6b3c88b45 100644 (file)
@@ -6834,14 +6834,7 @@ ctx_err:
 static void bnxt_hwrm_set_pg_attr(struct bnxt_ring_mem_info *rmem, u8 *pg_attr,
                                  __le64 *pg_dir)
 {
-       u8 pg_size = 0;
-
-       if (BNXT_PAGE_SHIFT == 13)
-               pg_size = 1 << 4;
-       else if (BNXT_PAGE_SIZE == 16)
-               pg_size = 2 << 4;
-
-       *pg_attr = pg_size;
+       BNXT_SET_CTX_PAGE_ATTR(*pg_attr);
        if (rmem->depth >= 1) {
                if (rmem->depth == 2)
                        *pg_attr |= 2;
index e4e926c65118a819d51f5572b4ea2179542bd7dc..a95c5afa2f0182ef37689144f925b1e0c05af12d 100644 (file)
@@ -1440,6 +1440,16 @@ struct bnxt_ctx_pg_info {
 #define BNXT_MAX_TQM_RINGS             \
        (BNXT_MAX_TQM_SP_RINGS + BNXT_MAX_TQM_FP_RINGS)
 
+#define BNXT_SET_CTX_PAGE_ATTR(attr)                                   \
+do {                                                                   \
+       if (BNXT_PAGE_SIZE == 0x2000)                                   \
+               attr = FUNC_BACKING_STORE_CFG_REQ_SRQ_PG_SIZE_PG_8K;    \
+       else if (BNXT_PAGE_SIZE == 0x10000)                             \
+               attr = FUNC_BACKING_STORE_CFG_REQ_QPC_PG_SIZE_PG_64K;   \
+       else                                                            \
+               attr = FUNC_BACKING_STORE_CFG_REQ_QPC_PG_SIZE_PG_4K;    \
+} while (0)
+
 struct bnxt_ctx_mem_info {
        u32     qp_max_entries;
        u16     qp_min_qp1_entries;