The branch main has been updated by imp:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=055196a7d777509bebab0e718a0d333cf2660178

commit 055196a7d777509bebab0e718a0d333cf2660178
Author:     Sumit Saxena <[email protected]>
AuthorDate: 2022-11-04 22:11:10 +0000
Commit:     Warner Losh <[email protected]>
CommitDate: 2022-11-04 22:11:10 +0000

    if_bnxt: Add support for admin down/up and jumbo
    
    Make ifconfig up/down work, as well as adding support for jumbo frames.
    
    Reviewed by: imp
    Differential Revision: https://reviews.freebsd.org/D36439
---
 sys/dev/bnxt/bnxt.h      |   1 +
 sys/dev/bnxt/bnxt_hwrm.c | 181 +++++++++++++++++++++++++++++++++++++++++++++--
 sys/dev/bnxt/bnxt_hwrm.h |  10 ++-
 sys/dev/bnxt/bnxt_txrx.c |   2 +-
 sys/dev/bnxt/if_bnxt.c   | 116 ++++++++++++++++++++++++++++--
 5 files changed, 296 insertions(+), 14 deletions(-)

diff --git a/sys/dev/bnxt/bnxt.h b/sys/dev/bnxt/bnxt.h
index 5a68b24e44f5..61c0a0f8bd36 100644
--- a/sys/dev/bnxt/bnxt.h
+++ b/sys/dev/bnxt/bnxt.h
@@ -714,6 +714,7 @@ struct bnxt_softc {
        struct bnxt_grp_info    *grp_info;
        struct iflib_dma_info   rx_stats[BNXT_MAX_NUM_QUEUES];
        int                     nrxqsets;
+       uint16_t                rx_buf_size;
 
        struct bnxt_cp_ring     def_cp_ring;
        struct bnxt_cp_ring     def_nq_ring;
diff --git a/sys/dev/bnxt/bnxt_hwrm.c b/sys/dev/bnxt/bnxt_hwrm.c
index 981bab37c181..761b08f6925d 100644
--- a/sys/dev/bnxt/bnxt_hwrm.c
+++ b/sys/dev/bnxt/bnxt_hwrm.c
@@ -913,6 +913,29 @@ bnxt_hwrm_set_link_setting(struct bnxt_softc *softc, bool 
set_pause,
        return rc;
 }
 
+int
+bnxt_hwrm_vnic_set_hds(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
+{
+        struct hwrm_vnic_plcmodes_cfg_input req = {0};
+
+       if (!BNXT_CHIP_P5(softc))
+               return 0;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_VNIC_PLCMODES_CFG);
+
+       /*
+        * TBD -- Explore these flags
+        *      1. VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV4
+        *      2. VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV6
+        *      3. req.jumbo_thresh
+        *      4. req.hds_threshold
+        */
+        req.flags = 
htole32(HWRM_VNIC_PLCMODES_CFG_INPUT_FLAGS_JUMBO_PLACEMENT);
+       req.vnic_id = htole16(vnic->id);
+
+       return hwrm_send_message(softc, &req, sizeof(req));
+}
+
 int
 bnxt_hwrm_vnic_cfg(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
 {
@@ -950,6 +973,29 @@ bnxt_hwrm_vnic_cfg(struct bnxt_softc *softc, struct 
bnxt_vnic_info *vnic)
        return hwrm_send_message(softc, &req, sizeof(req));
 }
 
+int
+bnxt_hwrm_vnic_free(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
+{
+       struct hwrm_vnic_free_input req = {0};
+       int rc = 0;
+
+       if (vnic->id == (uint16_t)HWRM_NA_SIGNATURE)
+               return rc;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_VNIC_FREE);
+
+       req.vnic_id = htole32(vnic->id);
+
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+       if (rc)
+               goto fail;
+
+fail:
+       BNXT_HWRM_UNLOCK(softc);
+       return (rc);
+}
+
 int
 bnxt_hwrm_vnic_alloc(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
 {
@@ -981,6 +1027,27 @@ fail:
        return (rc);
 }
 
+int
+bnxt_hwrm_vnic_ctx_free(struct bnxt_softc *softc, uint16_t ctx_id)
+{
+       struct hwrm_vnic_rss_cos_lb_ctx_free_input req = {0};
+       int rc = 0;
+
+       if (ctx_id == (uint16_t)HWRM_NA_SIGNATURE)
+               return rc;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_VNIC_RSS_COS_LB_CTX_FREE);
+       req.rss_cos_lb_ctx_id = htole16(ctx_id);
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+       if (rc)
+               goto fail;
+
+fail:
+       BNXT_HWRM_UNLOCK(softc);
+       return rc;
+}
+
 int
 bnxt_hwrm_vnic_ctx_alloc(struct bnxt_softc *softc, uint16_t *ctx_id)
 {
@@ -1044,6 +1111,64 @@ fail:
        return rc;
 }
 
+int
+bnxt_hwrm_ring_grp_free(struct bnxt_softc *softc, struct bnxt_grp_info *grp)
+{
+       struct hwrm_ring_grp_free_input req = {0};
+       int rc = 0;
+
+       if (grp->grp_id == (uint16_t)HWRM_NA_SIGNATURE)
+               return 0;
+
+       if (BNXT_CHIP_P5 (softc))
+               return 0;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_RING_GRP_FREE);
+
+       req.ring_group_id = htole32(grp->grp_id);
+
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+       if (rc)
+               goto fail;
+
+fail:
+       BNXT_HWRM_UNLOCK(softc);
+       return rc;
+}
+
+int bnxt_hwrm_ring_free(struct bnxt_softc *softc, uint32_t ring_type,
+               struct bnxt_ring *ring, int cmpl_ring_id)
+{
+        struct hwrm_ring_free_input req = {0};
+       struct hwrm_ring_free_output *resp;
+       int rc = 0;
+        uint16_t error_code;
+
+       if (ring->phys_id == (uint16_t)HWRM_NA_SIGNATURE)
+               return 0;
+
+       resp = (void *)softc->hwrm_cmd_resp.idi_vaddr;
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_RING_FREE);
+       req.cmpl_ring = htole16(cmpl_ring_id);
+        req.ring_type = ring_type;
+        req.ring_id = htole16(ring->phys_id);
+
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+        error_code = le16toh(resp->error_code);
+
+       if (rc || error_code) {
+               device_printf(softc->dev, "hwrm_ring_free type %d failed. "
+                               "rc:%x err:%x\n", ring_type, rc, error_code);
+               if (!rc)
+                       rc = -EIO;
+       }
+
+       BNXT_HWRM_UNLOCK(softc);
+       return rc;
+}
+
 /*
  * Ring allocation message to the firmware
  */
@@ -1091,8 +1216,7 @@ bnxt_hwrm_ring_alloc(struct bnxt_softc *softc, uint8_t 
type,
                cp_ring = &softc->rx_cp_rings[idx];
 
                 req.stat_ctx_id = htole32(cp_ring->stats_ctx_id);
-               req.rx_buf_size = htole16(
-                       softc->scctx->isc_max_frame_size);
+               req.rx_buf_size = htole16(softc->rx_buf_size);
                 req.enables |= htole32(
                        HWRM_RING_ALLOC_INPUT_ENABLES_RX_BUF_SIZE_VALID |
                        HWRM_RING_ALLOC_INPUT_ENABLES_STAT_CTX_ID_VALID);
@@ -1107,8 +1231,7 @@ bnxt_hwrm_ring_alloc(struct bnxt_softc *softc, uint8_t 
type,
 
                 req.rx_ring_id = htole16(softc->rx_rings[idx].phys_id);
                req.stat_ctx_id = htole32(cp_ring->stats_ctx_id);
-               req.rx_buf_size = htole16(
-                       softc->scctx->isc_max_frame_size);
+               req.rx_buf_size = htole16(softc->rx_buf_size);
                 req.enables |= htole32(
                             HWRM_RING_ALLOC_INPUT_ENABLES_RX_RING_ID_VALID |
                             HWRM_RING_ALLOC_INPUT_ENABLES_RX_BUF_SIZE_VALID |
@@ -1145,6 +1268,29 @@ fail:
        return rc;
 }
 
+int
+bnxt_hwrm_stat_ctx_free(struct bnxt_softc *softc, struct bnxt_cp_ring *cpr)
+{
+       struct hwrm_stat_ctx_free_input req = {0};
+       int rc = 0;
+
+       if (cpr->stats_ctx_id == HWRM_NA_SIGNATURE)
+               return rc;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_STAT_CTX_FREE);
+
+       req.stat_ctx_id = htole16(cpr->stats_ctx_id);
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+       if (rc)
+               goto fail;
+
+fail:
+       BNXT_HWRM_UNLOCK(softc);
+
+       return rc;
+}
+
 int
 bnxt_hwrm_stat_ctx_alloc(struct bnxt_softc *softc, struct bnxt_cp_ring *cpr,
     uint64_t paddr)
@@ -1253,6 +1399,29 @@ bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt_softc *softc,
        return hwrm_send_message(softc, &req, sizeof(req));
 }
 
+int
+bnxt_hwrm_free_filter(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
+{
+       struct hwrm_cfa_l2_filter_free_input    req = {0};
+       int rc = 0;
+
+       if (vnic->filter_id == -1)
+               return rc;
+
+       bnxt_hwrm_cmd_hdr_init(softc, &req, HWRM_CFA_L2_FILTER_FREE);
+
+       req.l2_filter_id = htole64(vnic->filter_id);
+
+       BNXT_HWRM_LOCK(softc);
+       rc = _hwrm_send_message(softc, &req, sizeof(req));
+       if (rc)
+               goto fail;
+
+fail:
+       BNXT_HWRM_UNLOCK(softc);
+       return (rc);
+}
+
 int
 bnxt_hwrm_set_filter(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic)
 {
@@ -1403,12 +1572,12 @@ bnxt_hwrm_vnic_tpa_cfg(struct bnxt_softc *softc)
                        HWRM_VNIC_TPA_CFG_INPUT_FLAGS_ENCAP_TPA |
                        HWRM_VNIC_TPA_CFG_INPUT_FLAGS_AGG_WITH_ECN |
                        HWRM_VNIC_TPA_CFG_INPUT_FLAGS_AGG_WITH_SAME_GRE_SEQ;
-               
+
                if (softc->hw_lro.is_mode_gro)
                        flags |= HWRM_VNIC_TPA_CFG_INPUT_FLAGS_GRO;
                else
                        flags |= HWRM_VNIC_TPA_CFG_INPUT_FLAGS_RSC_WND_UPDATE;
-                       
+
                req.flags = htole32(flags);
 
                req.enables = 
htole32(HWRM_VNIC_TPA_CFG_INPUT_ENABLES_MAX_AGG_SEGS |
diff --git a/sys/dev/bnxt/bnxt_hwrm.h b/sys/dev/bnxt/bnxt_hwrm.h
index ef1071e0aad6..ad308f0bbbdd 100644
--- a/sys/dev/bnxt/bnxt_hwrm.h
+++ b/sys/dev/bnxt/bnxt_hwrm.h
@@ -43,6 +43,8 @@ int bnxt_alloc_hwrm_dma_mem(struct bnxt_softc *softc);
 void bnxt_free_hwrm_dma_mem(struct bnxt_softc *softc);
 int bnxt_hwrm_ring_alloc(struct bnxt_softc *softc, uint8_t type,
                struct bnxt_ring *ring);
+int bnxt_hwrm_ring_free(struct bnxt_softc *softc, uint32_t type,
+               struct bnxt_ring *ring, int cmpl_ring_id);
 int bnxt_hwrm_ver_get(struct bnxt_softc *softc);
 int bnxt_hwrm_queue_qportcfg(struct bnxt_softc *softc);
 int bnxt_hwrm_func_drv_rgtr(struct bnxt_softc *softc);
@@ -54,16 +56,22 @@ int bnxt_hwrm_set_link_setting(struct bnxt_softc *softc, 
bool set_pause,
     bool set_eee, bool set_link);
 int bnxt_hwrm_set_pause(struct bnxt_softc *softc);
 int bnxt_hwrm_vnic_ctx_alloc(struct bnxt_softc *softc, uint16_t *ctx_id);
+int bnxt_hwrm_vnic_ctx_free(struct bnxt_softc *softc, uint16_t ctx_id);
+int bnxt_hwrm_vnic_set_hds(struct bnxt_softc *sc, struct bnxt_vnic_info *vnic);
 int bnxt_hwrm_vnic_cfg(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic);
+int bnxt_hwrm_vnic_alloc(struct bnxt_softc *softc, struct bnxt_vnic_info 
*vnic);
+int bnxt_hwrm_vnic_free(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic);
 int bnxt_hwrm_stat_ctx_alloc(struct bnxt_softc *softc, struct bnxt_cp_ring 
*cpr,
     uint64_t paddr);
+int bnxt_hwrm_stat_ctx_free(struct bnxt_softc *softc, struct bnxt_cp_ring 
*cpr);
 int bnxt_hwrm_port_qstats(struct bnxt_softc *softc);
 int bnxt_hwrm_ring_grp_alloc(struct bnxt_softc *softc,
     struct bnxt_grp_info *grp);
-int bnxt_hwrm_vnic_alloc(struct bnxt_softc *softc, struct bnxt_vnic_info 
*vnic);
+int bnxt_hwrm_ring_grp_free(struct bnxt_softc *softc, struct bnxt_grp_info 
*gr);
 int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt_softc *softc,
     struct bnxt_vnic_info *vnic);
 int bnxt_hwrm_set_filter(struct bnxt_softc *softc, struct bnxt_vnic_info 
*vnic);
+int bnxt_hwrm_free_filter(struct bnxt_softc *softc, struct bnxt_vnic_info 
*vnc);
 int bnxt_hwrm_rss_cfg(struct bnxt_softc *softc, struct bnxt_vnic_info *vnic,
     uint32_t hash_type);
 int bnxt_cfg_async_cr(struct bnxt_softc *softc);
diff --git a/sys/dev/bnxt/bnxt_txrx.c b/sys/dev/bnxt/bnxt_txrx.c
index 7ea5beab3180..c6e05be29e0e 100644
--- a/sys/dev/bnxt/bnxt_txrx.c
+++ b/sys/dev/bnxt/bnxt_txrx.c
@@ -282,7 +282,7 @@ bnxt_isc_rxd_refill(void *sc, if_rxd_update_t iru)
 
        for (i=0; i<count; i++) {
                rxbd[pidx].flags_type = htole16(type);
-               rxbd[pidx].len = htole16(softc->scctx->isc_max_frame_size);
+               rxbd[pidx].len = htole16(softc->rx_buf_size);
                /* No need to byte-swap the opaque value */
                rxbd[pidx].opaque = (((rxqid & 0xff) << 24) | (flid << 16)
                    | (frag_idxs[i]));
diff --git a/sys/dev/bnxt/if_bnxt.c b/sys/dev/bnxt/if_bnxt.c
index 2bdae7f452d3..06b5bbfb907e 100644
--- a/sys/dev/bnxt/if_bnxt.c
+++ b/sys/dev/bnxt/if_bnxt.c
@@ -1560,6 +1560,8 @@ bnxt_attach_post(if_ctx_t ctx)
        softc->scctx->isc_max_frame_size = ifp->if_mtu + ETHER_HDR_LEN +
            ETHER_CRC_LEN;
 
+       softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, 
BNXT_PAGE_SIZE);
+
 failed:
        return rc;
 }
@@ -1613,6 +1615,108 @@ bnxt_detach(if_ctx_t ctx)
        return 0;
 }
 
+static void
+bnxt_hwrm_resource_free(struct bnxt_softc *softc)
+{
+       int i, rc = 0;
+
+       rc = bnxt_hwrm_ring_free(softc,
+                       HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+                       &softc->def_cp_ring.ring,
+                       (uint16_t)HWRM_NA_SIGNATURE);
+       if (rc)
+               goto fail;
+
+       for (i = 0; i < softc->ntxqsets; i++) {
+               rc = bnxt_hwrm_ring_free(softc,
+                               HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
+                               &softc->tx_rings[i],
+                               softc->tx_cp_rings[i].ring.phys_id);
+               if (rc)
+                       goto fail;
+
+               rc = bnxt_hwrm_ring_free(softc,
+                               HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+                               &softc->tx_cp_rings[i].ring,
+                               (uint16_t)HWRM_NA_SIGNATURE);
+               if (rc)
+                       goto fail;
+
+               rc = bnxt_hwrm_stat_ctx_free(softc, &softc->tx_cp_rings[i]);
+               if (rc)
+                       goto fail;
+       }
+       rc = bnxt_hwrm_free_filter(softc, &softc->vnic_info);
+       if (rc)
+               goto fail;
+
+       rc = bnxt_hwrm_vnic_free(softc, &softc->vnic_info);
+       if (rc)
+               goto fail;
+
+       rc = bnxt_hwrm_vnic_ctx_free(softc, softc->vnic_info.rss_id);
+       if (rc)
+               goto fail;
+
+       for (i = 0; i < softc->nrxqsets; i++) {
+               rc = bnxt_hwrm_ring_grp_free(softc, &softc->grp_info[i]);
+               if (rc)
+                       goto fail;
+
+               rc = bnxt_hwrm_ring_free(softc,
+                               HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG,
+                               &softc->ag_rings[i],
+                               (uint16_t)HWRM_NA_SIGNATURE);
+               if (rc)
+                       goto fail;
+
+               rc = bnxt_hwrm_ring_free(softc,
+                               HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+                               &softc->rx_rings[i],
+                               softc->rx_cp_rings[i].ring.phys_id);
+               if (rc)
+                       goto fail;
+
+               rc = bnxt_hwrm_ring_free(softc,
+                               HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+                               &softc->rx_cp_rings[i].ring,
+                               (uint16_t)HWRM_NA_SIGNATURE);
+               if (rc)
+                       goto fail;
+
+               if (BNXT_CHIP_P5(softc)) {
+                       rc = bnxt_hwrm_ring_free(softc,
+                                       HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ,
+                                       &softc->nq_rings[i].ring,
+                                       (uint16_t)HWRM_NA_SIGNATURE);
+                       if (rc)
+                               goto fail;
+               }
+
+               rc = bnxt_hwrm_stat_ctx_free(softc, &softc->rx_cp_rings[i]);
+               if (rc)
+                       goto fail;
+       }
+
+fail:
+       return;
+}
+
+
+static void
+bnxt_func_reset(struct bnxt_softc *softc)
+{
+
+       if (!BNXT_CHIP_P5(softc)) {
+               bnxt_hwrm_func_reset(softc);
+               return;
+       }
+
+       bnxt_hwrm_resource_free(softc);
+       return;
+}
+
+
 /* Device configuration */
 static void
 bnxt_init(if_ctx_t ctx)
@@ -1689,8 +1793,6 @@ skip_def_cp_ring:
                        goto fail;
                softc->db_ops.bnxt_db_rx(&softc->rx_rings[i], 0);
 
-               if (!(softc->flags & BNXT_FLAG_TPA))
-                       goto skip_agg_rings;
                /* Allocate the AG ring */
                rc = bnxt_hwrm_ring_alloc(softc,
                                HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG,
@@ -1698,7 +1800,6 @@ skip_def_cp_ring:
                if (rc)
                        goto fail;
                softc->db_ops.bnxt_db_rx(&softc->ag_rings[i], 0);
-skip_agg_rings:
 
                /* Allocate the ring group */
                softc->grp_info[i].stats_ctx =
@@ -1724,6 +1825,9 @@ skip_agg_rings:
        if (rc)
                goto fail;
        rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info);
+       if (rc)
+               goto fail;
+       rc = bnxt_hwrm_vnic_set_hds(softc, &softc->vnic_info);
        if (rc)
                goto fail;
        rc = bnxt_hwrm_set_filter(softc, &softc->vnic_info);
@@ -1783,7 +1887,7 @@ skip_agg_rings:
        return;
 
 fail:
-       bnxt_hwrm_func_reset(softc);
+       bnxt_func_reset(softc);
        bnxt_clear_ids(softc);
        return;
 }
@@ -1795,8 +1899,7 @@ bnxt_stop(if_ctx_t ctx)
 
        bnxt_do_disable_intr(&softc->def_cp_ring);
        bnxt_hwrm_func_reset(softc);
-       if (!BNXT_CHIP_P5(softc))
-               bnxt_hwrm_func_reset(softc);
+       bnxt_func_reset(softc);
        bnxt_clear_ids(softc);
        return;
 }
@@ -1853,6 +1956,7 @@ bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu)
                return EINVAL;
 
        softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+       softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, 
BNXT_PAGE_SIZE);
        return 0;
 }
 

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