The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=2ed061f08d9e2fe35bb8ff925cc19768d2430e77
commit 2ed061f08d9e2fe35bb8ff925cc19768d2430e77 Author: Sumit Saxena <[email protected]> AuthorDate: 2022-11-04 22:33:21 +0000 Commit: Warner Losh <[email protected]> CommitDate: 2022-11-04 22:33:21 +0000 if_bnxt: Add support for smaller backing_store_cfg message size Add compat logic to fallback to the older/smaller backing_store_cfg message size. Reviewed by: imp Differentil Revision: https://reviews.freebsd.org/D36447 --- sys/dev/bnxt/bnxt_hwrm.c | 8 ++++++-- sys/dev/bnxt/bnxt_hwrm.h | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/dev/bnxt/bnxt_hwrm.c b/sys/dev/bnxt/bnxt_hwrm.c index 9d74b1ebf65b..46dd8f34a6c5 100644 --- a/sys/dev/bnxt/bnxt_hwrm.c +++ b/sys/dev/bnxt/bnxt_hwrm.c @@ -394,7 +394,7 @@ int bnxt_hwrm_func_backing_store_cfg(struct bnxt_softc *softc, uint32_t enables) struct hwrm_func_backing_store_cfg_input req = {0}; struct bnxt_ctx_mem_info *ctx = softc->ctx_mem; struct bnxt_ctx_pg_info *ctx_pg; - uint32_t *num_entries; + uint32_t *num_entries, req_len = sizeof(req); uint64_t *pg_dir; uint8_t *pg_attr; int i, rc; @@ -481,7 +481,11 @@ int bnxt_hwrm_func_backing_store_cfg(struct bnxt_softc *softc, uint32_t enables) *num_entries = htole32(ctx_pg->entries); bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, pg_attr, pg_dir); } - rc = hwrm_send_message(softc, &req, sizeof(req)); + + if (req_len > softc->hwrm_max_ext_req_len) + req_len = BNXT_BACKING_STORE_CFG_LEGACY_LEN; + + rc = hwrm_send_message(softc, &req, req_len); if (rc) rc = -EIO; return rc; diff --git a/sys/dev/bnxt/bnxt_hwrm.h b/sys/dev/bnxt/bnxt_hwrm.h index 8033ddb50136..dde82c0aaff8 100644 --- a/sys/dev/bnxt/bnxt_hwrm.h +++ b/sys/dev/bnxt/bnxt_hwrm.h @@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$"); #define BNXT_AUTO_PAUSE_AUTONEG_PAUSE \ (HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_PAUSE_AUTONEG_PAUSE) #define BNXT_HWRM_SHORT_REQ_LEN sizeof(struct hwrm_short_input) +#define BNXT_BACKING_STORE_CFG_LEGACY_LEN 256 /* HWRM Function Prototypes */ int bnxt_alloc_hwrm_dma_mem(struct bnxt_softc *softc);
