octeontx2-af: Add MACSEC capability flag

MACSEC block may be fused out on some silicons hence modify
get_hw_cap mailbox message to set a capability flag in its
response message based on MACSEC block availability.

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1747894528-4611-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index 005ca8a..a213b26 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -524,6 +524,8 @@ struct get_hw_cap_rsp {
        u8 nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */
        u8 nix_shaping;              /* Is shaping and coloring supported */
        u8 npc_hash_extract;    /* Is hash extract supported */
+#define HW_CAP_MACSEC          BIT_ULL(1)
+       u64 hw_caps;
 };
 
 /* CGX mbox message formats */

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 19a5f0d..a8025f0 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2033,6 +2033,9 @@ int rvu_mbox_handler_get_hw_cap(struct rvu *rvu, struct msg_req *req,
        rsp->nix_shaping = hw->cap.nix_shaping;
        rsp->npc_hash_extract = hw->cap.npc_hash_extract;
 
+       if (rvu->mcs_blk_cnt)
+               rsp->hw_caps = HW_CAP_MACSEC;
+
        return 0;
 }