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authorVamsi Attunuru <vamsi.attunuru@marvell.com>2018-10-22 23:25:50 +0530
committerDavid S. Miller <davem@davemloft.net>2018-10-22 20:15:37 -0700
commit42349661780e893537205f9c4c27b1bae060d96a (patch)
treedeeb1b677eca37b147e92bd7dceaa57a119a8368 /drivers
parentb279bbb3314e114609983b02c4253aff6b4be976 (diff)
octeontx2-af: Reset NIXLF's Rx/Tx stats
This patch adds a new mailbox message to reset a NIXLF's receive and transmit HW stats. Signed-off-by: Vamsi Attunuru <vamsi.attunuru@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/mbox.h3
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.h2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c30
3 files changed, 34 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index f2e0743d2a2e..f8efeaa66dda 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -155,7 +155,8 @@ M(NIX_AQ_ENQ, 0x8002, nix_aq_enq_req, nix_aq_enq_rsp) \
M(NIX_HWCTX_DISABLE, 0x8003, hwctx_disable_req, msg_rsp) \
M(NIX_TXSCH_ALLOC, 0x8004, nix_txsch_alloc_req, nix_txsch_alloc_rsp) \
M(NIX_TXSCH_FREE, 0x8005, nix_txsch_free_req, msg_rsp) \
-M(NIX_TXSCHQ_CFG, 0x8006, nix_txschq_config, msg_rsp)
+M(NIX_TXSCHQ_CFG, 0x8006, nix_txschq_config, msg_rsp) \
+M(NIX_STATS_RST, 0x8007, msg_req, msg_rsp)
/* Messages initiated by AF (range 0xC00 - 0xDFF) */
#define MBOX_UP_CGX_MESSAGES \
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 4b15552655e7..f041d0a26ad5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -288,4 +288,6 @@ int rvu_mbox_handler_NIX_TXSCH_FREE(struct rvu *rvu,
int rvu_mbox_handler_NIX_TXSCHQ_CFG(struct rvu *rvu,
struct nix_txschq_config *req,
struct msg_rsp *rsp);
+int rvu_mbox_handler_NIX_STATS_RST(struct rvu *rvu, struct msg_req *req,
+ struct msg_rsp *rsp);
#endif /* RVU_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 56f242d1e587..62d8913e7c92 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -1053,6 +1053,36 @@ static int nix_setup_txschq(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr)
return 0;
}
+int rvu_mbox_handler_NIX_STATS_RST(struct rvu *rvu, struct msg_req *req,
+ struct msg_rsp *rsp)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ u16 pcifunc = req->hdr.pcifunc;
+ int i, nixlf, blkaddr;
+ u64 stats;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
+ if (blkaddr < 0)
+ return NIX_AF_ERR_AF_LF_INVALID;
+
+ nixlf = rvu_get_lf(rvu, &hw->block[blkaddr], pcifunc, 0);
+ if (nixlf < 0)
+ return NIX_AF_ERR_AF_LF_INVALID;
+
+ /* Get stats count supported by HW */
+ stats = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
+
+ /* Reset tx stats */
+ for (i = 0; i < ((stats >> 24) & 0xFF); i++)
+ rvu_write64(rvu, blkaddr, NIX_AF_LFX_TX_STATX(nixlf, i), 0);
+
+ /* Reset rx stats */
+ for (i = 0; i < ((stats >> 32) & 0xFF); i++)
+ rvu_write64(rvu, blkaddr, NIX_AF_LFX_RX_STATX(nixlf, i), 0);
+
+ return 0;
+}
+
static int nix_calibrate_x2p(struct rvu *rvu, int blkaddr)
{
int idx, err;

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