diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/abm/ctrl.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/abm/ctrl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/ctrl.c b/drivers/net/ethernet/netronome/nfp/abm/ctrl.c index ad6c2a621c7a..9584f03f3efa 100644 --- a/drivers/net/ethernet/netronome/nfp/abm/ctrl.c +++ b/drivers/net/ethernet/netronome/nfp/abm/ctrl.c @@ -17,6 +17,8 @@ #define NFP_NUM_BANDS_SYM_NAME "_abi_pci_dscp_num_band_%u" #define NFP_ACT_MASK_SYM_NAME "_abi_nfd_out_q_actions_%u" +#define NFP_RED_SUPPORT_SYM_NAME "_abi_nfd_out_red_offload_%u" + #define NFP_QLVL_SYM_NAME "_abi_nfd_out_q_lvls_%u%s" #define NFP_QLVL_STRIDE 16 #define NFP_QLVL_BLOG_BYTES 0 @@ -358,6 +360,12 @@ int nfp_abm_ctrl_find_addrs(struct nfp_abm *abm) abm->pf_id = nfp_cppcore_pcie_unit(pf->cpp); + /* Check if Qdisc offloads are supported */ + res = nfp_pf_rtsym_read_optional(pf, NFP_RED_SUPPORT_SYM_NAME, 1); + if (res < 0) + return res; + abm->red_support = res; + /* Read count of prios and prio bands */ res = nfp_pf_rtsym_read_optional(pf, NFP_NUM_BANDS_SYM_NAME, 1); if (res < 0) @@ -390,6 +398,9 @@ int nfp_abm_ctrl_find_addrs(struct nfp_abm *abm) } /* Find level and stat symbols */ + if (!abm->red_support) + return 0; + sym = nfp_abm_ctrl_find_q_rtsym(abm, NFP_QLVL_SYM_NAME, NFP_QLVL_STRIDE); if (IS_ERR(sym)) |