common/cnxk: support changing drop Rx error flag

Added API to toggle drop_re flag after nix_lf_alloc() so that it
can be used to toggle it runtime.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index bf5495dc4906902a3d809d264860df0e18a1a875..a7e77766a8fb7640e0921efaafcc80564ea35d63 100644 (file)
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -1075,6 +1075,7 @@ struct nix_rx_cfg {
        struct mbox_msghdr hdr;
 #define NIX_RX_OL3_VERIFY BIT(0)
 #define NIX_RX_OL4_VERIFY BIT(1)
+#define NIX_RX_DROP_RE   BIT(2)
        uint8_t __io len_verify; /* Outer L3/L4 len check */
 #define NIX_RX_CSUM_OL4_VERIFY BIT(0)
        uint8_t __io csum_verify; /* Outer L4 checksum verification */

diff --git a/drivers/common/cnxk/roc_nix.c b/drivers/common/cnxk/roc_nix.c
index c96b26604c90cea8ad3dbf9f4ca0188827b68d09..151d8c34261c2cabd716e8f8bff0f4d18e7d08f6 100644 (file)
--- a/drivers/common/cnxk/roc_nix.c
+++ b/drivers/common/cnxk/roc_nix.c
@@ -173,6 +173,7 @@ roc_nix_lf_alloc(struct roc_nix *roc_nix, uint32_t nb_rxq, uint32_t nb_txq,
        if (rc)
                goto fail;
 
+       nix->rx_cfg = rx_cfg;
        nix->sqb_size = rsp->sqb_size;
        nix->tx_chan_base = rsp->tx_chan_base;
        nix->rx_chan_base = rsp->rx_chan_base;

diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index 8f36ce70216f71e180fbdc41b131cda00de01c08..82d74de40911850a739ea10260d1d8b5c05e2b99 100644 (file)
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -445,6 +445,7 @@ int __roc_api roc_nix_lf_free(struct roc_nix *roc_nix);
 int __roc_api roc_nix_lf_inl_ipsec_cfg(struct roc_nix *roc_nix,
                                       struct roc_nix_ipsec_cfg *cfg, bool enb);
 int __roc_api roc_nix_cpt_ctx_cache_sync(struct roc_nix *roc_nix);
+int __roc_api roc_nix_rx_drop_re_set(struct roc_nix *roc_nix, bool ena);
 
 /* Debug */
 int __roc_api roc_nix_lf_get_reg_count(struct roc_nix *roc_nix);

diff --git a/drivers/common/cnxk/roc_nix_ops.c b/drivers/common/cnxk/roc_nix_ops.c
index 0e28302e748fe3538cb28c2d49b61f924bdc2d47..04a78cf4ca2c57413b5b42a63fc85237c13496e6 100644 (file)
--- a/drivers/common/cnxk/roc_nix_ops.c
+++ b/drivers/common/cnxk/roc_nix_ops.c
@@ -450,3 +450,42 @@ roc_nix_eeprom_info_get(struct roc_nix *roc_nix,
        mbox_memcpy(info->buf, rsp->fwdata.sfp_eeprom.buf, SFP_EEPROM_SIZE);
        return 0;
 }
+
+int
+roc_nix_rx_drop_re_set(struct roc_nix *roc_nix, bool ena)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+       struct mbox *mbox = get_mbox(roc_nix);
+       struct nix_rx_cfg *req;
+       int rc = -EIO;
+
+       /* No-op if no change */
+       if (ena == !!(nix->rx_cfg & ROC_NIX_LF_RX_CFG_DROP_RE))
+               return 0;
+
+       req = mbox_alloc_msg_nix_set_rx_cfg(mbox);
+       if (req == NULL)
+               return rc;
+
+       if (ena)
+               req->len_verify |= NIX_RX_DROP_RE;
+       /* Keep other flags intact */
+       if (nix->rx_cfg & ROC_NIX_LF_RX_CFG_LEN_OL3)
+               req->len_verify |= NIX_RX_OL3_VERIFY;
+
+       if (nix->rx_cfg & ROC_NIX_LF_RX_CFG_LEN_OL4)
+               req->len_verify |= NIX_RX_OL4_VERIFY;
+
+       if (nix->rx_cfg & ROC_NIX_LF_RX_CFG_CSUM_OL4)
+               req->csum_verify |= NIX_RX_CSUM_OL4_VERIFY;
+
+       rc = mbox_process(mbox);
+       if (rc)
+               return rc;
+
+       if (ena)
+               nix->rx_cfg |= ROC_NIX_LF_RX_CFG_DROP_RE;
+       else
+               nix->rx_cfg &= ~ROC_NIX_LF_RX_CFG_DROP_RE;
+       return 0;
+}

diff --git a/drivers/common/cnxk/roc_nix_priv.h b/drivers/common/cnxk/roc_nix_priv.h
index 60a00a3141258cfc781eed06bb5c257fc794a30e..04575af2951804823fed32456357b3da83e18471 100644 (file)
--- a/drivers/common/cnxk/roc_nix_priv.h
+++ b/drivers/common/cnxk/roc_nix_priv.h
@@ -139,6 +139,7 @@ struct nix {
        uint16_t msixoff;
        uint8_t rx_pause;
        uint8_t tx_pause;
+       uint64_t rx_cfg;
        struct dev dev;
        uint16_t cints;
        uint16_t qints;

diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index a90e5fca28d5e5795c2bd9e58f67cb15237da1b1..a139f0dd9e1bf4843c1c5fe1e4cf13c118e9e9a1 100644 (file)
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -211,6 +211,7 @@ INTERNAL {
        roc_nix_rss_key_set;
        roc_nix_rss_reta_get;
        roc_nix_rss_reta_set;
+       roc_nix_rx_drop_re_set;
        roc_nix_rx_queue_intr_disable;
        roc_nix_rx_queue_intr_enable;
        roc_nix_sq_dump;