Date: Mon, 29 Sep 2025 14:37:47 GMT From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 6fa85bf12226 - main - cxgbe(4): Support for displaying T7 MPS TCAM entries Message-ID: <202509291437.58TEblm4017696@gitrepo.freebsd.org>
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The branch main has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=6fa85bf1222672681f6f6bd1502cba752d7c5d5f commit 6fa85bf1222672681f6f6bd1502cba752d7c5d5f Author: Navdeep Parhar <np@FreeBSD.org> AuthorDate: 2025-09-29 08:30:14 +0000 Commit: Navdeep Parhar <np@FreeBSD.org> CommitDate: 2025-09-29 14:25:59 +0000 cxgbe(4): Support for displaying T7 MPS TCAM entries MFC after: 3 days Sponsored by: Chelsio Communications --- sys/dev/cxgbe/t4_main.c | 208 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 205 insertions(+), 3 deletions(-) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 101215073385..db7ed38b1f9f 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -870,6 +870,7 @@ static int sysctl_linkdnrc(SYSCTL_HANDLER_ARGS); static int sysctl_meminfo(SYSCTL_HANDLER_ARGS); static int sysctl_mps_tcam(SYSCTL_HANDLER_ARGS); static int sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS); +static int sysctl_mps_tcam_t7(SYSCTL_HANDLER_ARGS); static int sysctl_path_mtus(SYSCTL_HANDLER_ARGS); static int sysctl_pm_stats(SYSCTL_HANDLER_ARGS); static int sysctl_rdma_stats(SYSCTL_HANDLER_ARGS); @@ -7904,7 +7905,8 @@ t4_sysctls(struct adapter *sc) SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "mps_tcam", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, - chip_id(sc) <= CHELSIO_T5 ? sysctl_mps_tcam : sysctl_mps_tcam_t6, + chip_id(sc) >= CHELSIO_T7 ? sysctl_mps_tcam_t7 : + (chip_id(sc) >= CHELSIO_T6 ? sysctl_mps_tcam_t6 : sysctl_mps_tcam), "A", "MPS TCAM entries"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "path_mtus", @@ -10560,7 +10562,7 @@ sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS) struct sbuf *sb; int rc, i; - MPASS(chip_id(sc) > CHELSIO_T5); + MPASS(chip_id(sc) == CHELSIO_T6); sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); if (sb == NULL) @@ -10569,7 +10571,7 @@ sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS) sbuf_printf(sb, "Idx Ethernet address Mask VNI Mask" " IVLAN Vld DIP_Hit Lookup Port Vld Ports PF VF" " Replication" - " P0 P1 P2 P3 ML\n"); + " P0 P1 P2 P3 ML"); rc = 0; for (i = 0; i < sc->chip_params->mps_tcam_size; i++) { @@ -10733,6 +10735,206 @@ sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS) return (rc); } +static int +sysctl_mps_tcam_t7(SYSCTL_HANDLER_ARGS) +{ + struct adapter *sc = arg1; + struct sbuf *sb; + int rc, i; + + MPASS(chip_id(sc) >= CHELSIO_T7); + + sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); + if (sb == NULL) + return (ENOMEM); + + sbuf_printf(sb, "Idx Ethernet address Mask VNI Mask" + " IVLAN Vld DIP_Hit Lookup Port Vld Ports PF VF" + " Replication" + " P0 P1 P2 P3 ML"); + + rc = 0; + for (i = 0; i < sc->chip_params->mps_tcam_size; i++) { + uint8_t dip_hit, vlan_vld, lookup_type, port_num; + uint16_t ivlan; + uint64_t tcamx, tcamy, val, mask; + uint32_t cls_lo, cls_hi, ctl, data2, vnix, vniy; + uint8_t addr[ETHER_ADDR_LEN]; + + /* Read tcamy */ + ctl = (V_CTLREQID(1) | V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0)); + if (chip_rev(sc) == 0) { + if (i < 256) + ctl |= V_CTLTCAMINDEX(i) | V_T7_CTLTCAMSEL(0); + else + ctl |= V_CTLTCAMINDEX(i - 256) | V_T7_CTLTCAMSEL(1); + } else { +#if 0 + ctl = (V_CTLREQID(1) | V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0)); +#endif + if (i < 512) + ctl |= V_CTLTCAMINDEX(i) | V_T7_CTLTCAMSEL(0); + else if (i < 1024) + ctl |= V_CTLTCAMINDEX(i - 512) | V_T7_CTLTCAMSEL(1); + else + ctl |= V_CTLTCAMINDEX(i - 1024) | V_T7_CTLTCAMSEL(2); + } + + mtx_lock(&sc->reg_lock); + if (hw_off_limits(sc)) + rc = ENXIO; + else { + t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl); + val = t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA1_REQ_ID1); + tcamy = G_DMACH(val) << 32; + tcamy |= t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA0_REQ_ID1); + data2 = t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA2_REQ_ID1); + } + mtx_unlock(&sc->reg_lock); + if (rc != 0) + break; + + lookup_type = G_DATALKPTYPE(data2); + port_num = G_DATAPORTNUM(data2); + if (lookup_type && lookup_type != M_DATALKPTYPE) { + /* Inner header VNI */ + vniy = (((data2 & F_DATAVIDH2) | + G_DATAVIDH1(data2)) << 16) | G_VIDL(val); + dip_hit = data2 & F_DATADIPHIT; + vlan_vld = 0; + } else { + vniy = 0; + dip_hit = 0; + vlan_vld = data2 & F_DATAVIDH2; + ivlan = G_VIDL(val); + } + + ctl |= V_CTLXYBITSEL(1); + mtx_lock(&sc->reg_lock); + if (hw_off_limits(sc)) + rc = ENXIO; + else { + t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl); + val = t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA1_REQ_ID1); + tcamx = G_DMACH(val) << 32; + tcamx |= t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA0_REQ_ID1); + data2 = t4_read_reg(sc, A_MPS_CLS_TCAM0_RDATA2_REQ_ID1); + } + mtx_unlock(&sc->reg_lock); + if (rc != 0) + break; + + if (lookup_type && lookup_type != M_DATALKPTYPE) { + /* Inner header VNI mask */ + vnix = (((data2 & F_DATAVIDH2) | + G_DATAVIDH1(data2)) << 16) | G_VIDL(val); + } else + vnix = 0; + + if (tcamx & tcamy) + continue; + tcamxy2valmask(tcamx, tcamy, addr, &mask); + + mtx_lock(&sc->reg_lock); + if (hw_off_limits(sc)) + rc = ENXIO; + else { + if (chip_rev(sc) == 0) { + cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i)); + cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i)); + } else { + t4_write_reg(sc, A_MPS_CLS_SRAM_H, + V_SRAMWRN(0) | V_SRAMINDEX(i)); + cls_lo = t4_read_reg(sc, A_MPS_CLS_SRAM_L); + cls_hi = t4_read_reg(sc, A_MPS_CLS_SRAM_H); + } + } + mtx_unlock(&sc->reg_lock); + if (rc != 0) + break; + + if (lookup_type && lookup_type != M_DATALKPTYPE) { + sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x " + "%012jx %06x %06x - - %3c" + " I %4x %3c %#x%4u%4d", i, addr[0], + addr[1], addr[2], addr[3], addr[4], addr[5], + (uintmax_t)mask, vniy, vnix, dip_hit ? 'Y' : 'N', + port_num, cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N', + G_PORTMAP(cls_hi), G_T6_PF(cls_lo), + cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1); + } else { + sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x " + "%012jx - - ", i, addr[0], addr[1], + addr[2], addr[3], addr[4], addr[5], + (uintmax_t)mask); + + if (vlan_vld) + sbuf_printf(sb, "%4u Y ", ivlan); + else + sbuf_printf(sb, " - N "); + + sbuf_printf(sb, "- %3c %4x %3c %#x%4u%4d", + lookup_type ? 'I' : 'O', port_num, + cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N', + G_PORTMAP(cls_hi), G_T6_PF(cls_lo), + cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1); + } + + if (cls_lo & F_T6_REPLICATE) { + struct fw_ldst_cmd ldst_cmd; + + memset(&ldst_cmd, 0, sizeof(ldst_cmd)); + ldst_cmd.op_to_addrspace = + htobe32(V_FW_CMD_OP(FW_LDST_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ | + V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS)); + ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd)); + ldst_cmd.u.mps.rplc.fid_idx = + htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) | + V_FW_LDST_CMD_IDX(i)); + + rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, + "t6mps"); + if (rc) + break; + if (hw_off_limits(sc)) + rc = ENXIO; + else + rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd, + sizeof(ldst_cmd), &ldst_cmd); + end_synchronized_op(sc, 0); + if (rc != 0) + break; + else { + sbuf_printf(sb, " %08x %08x %08x %08x" + " %08x %08x %08x %08x", + be32toh(ldst_cmd.u.mps.rplc.rplc255_224), + be32toh(ldst_cmd.u.mps.rplc.rplc223_192), + be32toh(ldst_cmd.u.mps.rplc.rplc191_160), + be32toh(ldst_cmd.u.mps.rplc.rplc159_128), + be32toh(ldst_cmd.u.mps.rplc.rplc127_96), + be32toh(ldst_cmd.u.mps.rplc.rplc95_64), + be32toh(ldst_cmd.u.mps.rplc.rplc63_32), + be32toh(ldst_cmd.u.mps.rplc.rplc31_0)); + } + } else + sbuf_printf(sb, "%72s", ""); + + sbuf_printf(sb, "%4u%3u%3u%3u %#x", + G_T6_SRAM_PRIO0(cls_lo), G_T6_SRAM_PRIO1(cls_lo), + G_T6_SRAM_PRIO2(cls_lo), G_T6_SRAM_PRIO3(cls_lo), + (cls_lo >> S_T6_MULTILISTEN0) & 0xf); + } + + if (rc) + (void) sbuf_finish(sb); + else + rc = sbuf_finish(sb); + sbuf_delete(sb); + + return (rc); +} + static int sysctl_path_mtus(SYSCTL_HANDLER_ARGS) {
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