cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/apm/xgene/xgene_enet_cle.c

/* Applied Micro X-Gene SoC Ethernet Classifier structures
 *
 * Copyright (c) 2016, Applied Micro Circuits Corporation
 * Authors: Khuong Dinh <kdinh@apm.com>
 *          Tanmay Inamdar <tinamdar@apm.com>
 *          Iyappan Subramanian <isubramanian@apm.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "xgene_enet_main.h"

/* interfaces to convert structures to HW recognized bit formats */

static void xgene_cle_sband_to_hw(u8 frag, enum xgene_cle_prot_version ver, enum xgene_cle_prot_type type, u32 len, u32 *reg) { *reg = SET_VAL(SB_IPFRAG, frag) | SET_VAL(SB_IPPROT, type) | SET_VAL(SB_IPVER, ver) | SET_VAL(SB_HDRLEN, len); }

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Iyappan Subramanian55100.00%1100.00%
Total55100.00%1100.00%


static void xgene_cle_idt_to_hw(struct xgene_enet_pdata *pdata, u32 dstqid, u32 fpsel, u32 nfpsel, u32 *idt_reg) { if (pdata->enet_id == XGENE_ENET1) { *idt_reg = SET_VAL(IDT_DSTQID, dstqid) | SET_VAL(IDT_FPSEL1, fpsel) | SET_VAL(IDT_NFPSEL1, nfpsel); } else { *idt_reg = SET_VAL(IDT_DSTQID, dstqid) | SET_VAL(IDT_FPSEL, fpsel) | SET_VAL(IDT_NFPSEL, nfpsel); } }

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Iyappan Subramanian85100.00%2100.00%
Total85100.00%2100.00%


static void xgene_cle_dbptr_to_hw(struct xgene_enet_pdata *pdata, struct xgene_cle_dbptr *dbptr, u32 *buf) { buf[0] = SET_VAL(CLE_DROP, dbptr->drop); buf[4] = SET_VAL(CLE_FPSEL, dbptr->fpsel) | SET_VAL(CLE_NFPSEL, dbptr->nxtfpsel) | SET_VAL(CLE_DSTQIDL, dbptr->dstqid); buf[5] = SET_VAL(CLE_DSTQIDH, (u32)dbptr->dstqid >> CLE_DSTQIDL_LEN) | SET_VAL(CLE_PRIORITY, dbptr->cle_priority); }

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PersonTokensPropCommitsCommitProp
Iyappan Subramanian94100.00%3100.00%
Total94100.00%3100.00%


static void xgene_cle_kn_to_hw(struct xgene_cle_ptree_kn *kn, u32 *buf) { u32 i, j = 0; u32 data; buf[j++] = SET_VAL(CLE_TYPE, kn->node_type); for (i = 0; i < kn->num_keys; i++) { struct xgene_cle_ptree_key *key = &kn->key[i]; if (!(i % 2)) { buf[j] = SET_VAL(CLE_KN_PRIO, key->priority) | SET_VAL(CLE_KN_RPTR, key->result_pointer); } else { data = SET_VAL(CLE_KN_PRIO, key->priority) | SET_VAL(CLE_KN_RPTR, key->result_pointer); buf[j++] |= (data << 16); } } }

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PersonTokensPropCommitsCommitProp
Iyappan Subramanian139100.00%1100.00%
Total139100.00%1100.00%


static void xgene_cle_dn_to_hw(const struct xgene_cle_ptree_ewdn *dn, u32 *buf, u32 jb) { const struct xgene_cle_ptree_branch *br; u32 i, j = 0; u32 npp; buf[j++] = SET_VAL(CLE_DN_TYPE, dn->node_type) | SET_VAL(CLE_DN_LASTN, dn->last_node) | SET_VAL(CLE_DN_HLS, dn->hdr_len_store) | SET_VAL(CLE_DN_EXT, dn->hdr_extn) | SET_VAL(CLE_DN_BSTOR, dn->byte_store) | SET_VAL(CLE_DN_SBSTOR, dn->search_byte_store) | SET_VAL(CLE_DN_RPTR, dn->result_pointer); for (i = 0; i < dn->num_branches; i++) { br = &dn->branch[i]; npp = br->next_packet_pointer; if ((br->jump_rel == JMP_ABS) && (npp < CLE_PKTRAM_SIZE)) npp += jb; buf[j++] = SET_VAL(CLE_BR_VALID, br->valid) | SET_VAL(CLE_BR_NPPTR, npp) | SET_VAL(CLE_BR_JB, br->jump_bw) | SET_VAL(CLE_BR_JR, br->jump_rel) | SET_VAL(CLE_BR_OP, br->operation) | SET_VAL(CLE_BR_NNODE, br->next_node) | SET_VAL(CLE_BR_NBR, br->next_branch); buf[j++] = SET_VAL(CLE_BR_DATA, br->data) | SET_VAL(CLE_BR_MASK, br->mask); } }

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Iyappan Subramanian24699.19%150.00%
Arnd Bergmann20.81%150.00%
Total248100.00%2100.00%


static int xgene_cle_poll_cmd_done(void __iomem *base, enum xgene_cle_cmd_type cmd) { u32 status, loop = 10; int ret = -EBUSY; while (loop--) { status = ioread32(base + INDCMD_STATUS); if (status & cmd) { ret = 0; break; } usleep_range(1000, 2000); } return ret; }

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Iyappan Subramanian67100.00%1100.00%
Total67100.00%1100.00%


static int xgene_cle_dram_wr(struct xgene_enet_cle *cle, u32 *data, u8 nregs, u32 index, enum xgene_cle_dram_type type, enum xgene_cle_cmd_type cmd) { enum xgene_cle_parser parser = cle->active_parser; void __iomem *base = cle->base; u32 i, j, ind_addr; u8 port, nparsers; int ret = 0; /* PTREE_RAM onwards, DRAM regions are common for all parsers */ nparsers = (type >= PTREE_RAM) ? 1 : cle->parsers; for (i = 0; i < nparsers; i++) { port = i; if ((type < PTREE_RAM) && (parser != PARSER_ALL)) port = parser; ind_addr = XGENE_CLE_DRAM(type + (port * 4)) | index; iowrite32(ind_addr, base + INDADDR); for (j = 0; j < nregs; j++) iowrite32(data[j], base + DATA_RAM0 + (j * 4)); iowrite32(cmd, base + INDCMD); ret = xgene_cle_poll_cmd_done(base, cmd); if (ret) break; } return ret; }

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Iyappan Subramanian196100.00%1100.00%
Total196100.00%1100.00%


static void xgene_cle_enable_ptree(struct xgene_enet_pdata *pdata, struct xgene_enet_cle *cle) { struct xgene_cle_ptree *ptree = &cle->ptree; void __iomem *addr, *base = cle->base; u32 offset = CLE_PORT_OFFSET; u32 i; /* 1G port has to advance 4 bytes and 10G has to advance 8 bytes */ ptree->start_pkt += cle->jump_bytes; for (i = 0; i < cle->parsers; i++) { if (cle->active_parser != PARSER_ALL) addr = base + cle->active_parser * offset; else addr = base + (i * offset); iowrite32(ptree->start_node & 0x3fff, addr + SNPTR0); iowrite32(ptree->start_pkt & 0x1ff, addr + SPPTR0); } }

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Iyappan Subramanian127100.00%1100.00%
Total127100.00%1100.00%


static int xgene_cle_setup_dbptr(struct xgene_enet_pdata *pdata, struct xgene_enet_cle *cle) { struct xgene_cle_ptree *ptree = &cle->ptree; u32 buf[CLE_DRAM_REGS]; u32 i; int ret; memset(buf, 0, sizeof(buf)); for (i = 0; i < ptree->num_dbptr; i++) { xgene_cle_dbptr_to_hw(pdata, &ptree->dbptr[i], buf); ret = xgene_cle_dram_wr(cle, buf, 6, i + ptree->start_dbptr, DB_RAM, CLE_CMD_WR); if (ret) return ret; } return 0; }

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Iyappan Subramanian113100.00%1100.00%
Total113100.00%1100.00%

static const struct xgene_cle_ptree_ewdn xgene_init_ptree_dn[] = { { /* PKT_TYPE_NODE */ .node_type = EWDN, .last_node = 0, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = NO_BYTE, .result_pointer = DB_RES_DROP, .num_branches = 2, .branch = { { /* IPV4 */ .valid = 1, .next_packet_pointer = 22, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = PKT_PROT_NODE, .next_branch = 0, .data = 0x8, .mask = 0x0 }, { .valid = 0, .next_packet_pointer = 262, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = LAST_NODE, .next_branch = 0, .data = 0x0, .mask = 0xffff } }, }, { /* PKT_PROT_NODE */ .node_type = EWDN, .last_node = 0, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = NO_BYTE, .result_pointer = DB_RES_DROP, .num_branches = 3, .branch = { { /* TCP */ .valid = 1, .next_packet_pointer = 26, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 0, .data = 0x0600, .mask = 0x00ff }, { /* UDP */ .valid = 1, .next_packet_pointer = 26, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 0, .data = 0x1100, .mask = 0x00ff }, { .valid = 0, .next_packet_pointer = 26, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 0, .data = 0x0, .mask = 0xffff } } }, { /* RSS_IPV4_TCP_NODE */ .node_type = EWDN, .last_node = 0, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = BOTH_BYTES, .result_pointer = DB_RES_DROP, .num_branches = 6, .branch = { { /* SRC IPV4 B01 */ .valid = 0, .next_packet_pointer = 28, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 1, .data = 0x0, .mask = 0xffff }, { /* SRC IPV4 B23 */ .valid = 0, .next_packet_pointer = 30, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 2, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B01 */ .valid = 0, .next_packet_pointer = 32, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 3, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B23 */ .valid = 0, .next_packet_pointer = 34, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 4, .data = 0x0, .mask = 0xffff }, { /* TCP SRC Port */ .valid = 0, .next_packet_pointer = 36, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_TCP_NODE, .next_branch = 5, .data = 0x0, .mask = 0xffff }, { /* TCP DST Port */ .valid = 0, .next_packet_pointer = 256, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = LAST_NODE, .next_branch = 0, .data = 0x0, .mask = 0xffff } } }, { /* RSS_IPV4_UDP_NODE */ .node_type = EWDN, .last_node = 0, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = BOTH_BYTES, .result_pointer = DB_RES_DROP, .num_branches = 6, .branch = { { /* SRC IPV4 B01 */ .valid = 0, .next_packet_pointer = 28, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 1, .data = 0x0, .mask = 0xffff }, { /* SRC IPV4 B23 */ .valid = 0, .next_packet_pointer = 30, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 2, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B01 */ .valid = 0, .next_packet_pointer = 32, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 3, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B23 */ .valid = 0, .next_packet_pointer = 34, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 4, .data = 0x0, .mask = 0xffff }, { /* TCP SRC Port */ .valid = 0, .next_packet_pointer = 36, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_UDP_NODE, .next_branch = 5, .data = 0x0, .mask = 0xffff }, { /* TCP DST Port */ .valid = 0, .next_packet_pointer = 258, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = LAST_NODE, .next_branch = 0, .data = 0x0, .mask = 0xffff } } }, { /* RSS_IPV4_OTHERS_NODE */ .node_type = EWDN, .last_node = 0, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = BOTH_BYTES, .result_pointer = DB_RES_DROP, .num_branches = 6, .branch = { { /* SRC IPV4 B01 */ .valid = 0, .next_packet_pointer = 28, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 1, .data = 0x0, .mask = 0xffff }, { /* SRC IPV4 B23 */ .valid = 0, .next_packet_pointer = 30, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 2, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B01 */ .valid = 0, .next_packet_pointer = 32, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 3, .data = 0x0, .mask = 0xffff }, { /* DST IPV4 B23 */ .valid = 0, .next_packet_pointer = 34, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 4, .data = 0x0, .mask = 0xffff }, { /* TCP SRC Port */ .valid = 0, .next_packet_pointer = 36, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = RSS_IPV4_OTHERS_NODE, .next_branch = 5, .data = 0x0, .mask = 0xffff }, { /* TCP DST Port */ .valid = 0, .next_packet_pointer = 260, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = LAST_NODE, .next_branch = 0, .data = 0x0, .mask = 0xffff } } }, { /* LAST NODE */ .node_type = EWDN, .last_node = 1, .hdr_len_store = 1, .hdr_extn = NO_BYTE, .byte_store = NO_BYTE, .search_byte_store = NO_BYTE, .result_pointer = DB_RES_DROP, .num_branches = 1, .branch = { { .valid = 0, .next_packet_pointer = 0, .jump_bw = JMP_FW, .jump_rel = JMP_ABS, .operation = EQT, .next_node = MAX_NODES, .next_branch = 0, .data = 0, .mask = 0xffff } } } };
static int xgene_cle_setup_node(struct xgene_enet_pdata *pdata, struct xgene_enet_cle *cle) { struct xgene_cle_ptree *ptree = &cle->ptree; const struct xgene_cle_ptree_ewdn *dn = xgene_init_ptree_dn; int num_dn = ARRAY_SIZE(xgene_init_ptree_dn); struct xgene_cle_ptree_kn *kn = ptree->kn; u32 buf[CLE_DRAM_REGS]; int i, j, ret; memset(buf, 0, sizeof(buf)); for (i = 0; i < num_dn; i++) { xgene_cle_dn_to_hw(&dn[i], buf, cle->jump_bytes); ret = xgene_cle_dram_wr(cle, buf, 17, i + ptree->start_node, PTREE_RAM, CLE_CMD_WR); if (ret) return ret; } /* continue node index for key node */ memset(buf, 0, sizeof(buf)); for (j = i; j < (ptree->num_kn + num_dn); j++) { xgene_cle_kn_to_hw(&kn[j - num_dn], buf); ret = xgene_cle_dram_wr(cle, buf, 17, j + ptree->start_node, PTREE_RAM, CLE_CMD_WR); if (ret) return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann20697.17%150.00%
Iyappan Subramanian62.83%150.00%
Total212100.00%2100.00%


static int xgene_cle_setup_ptree(struct xgene_enet_pdata *pdata, struct xgene_enet_cle *cle) { int ret; ret = xgene_cle_setup_node(pdata, cle); if (ret) return ret; ret = xgene_cle_setup_dbptr(pdata, cle); if (ret) return ret; xgene_cle_enable_ptree(pdata, cle); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann61100.00%1100.00%
Total61100.00%1100.00%


static void xgene_cle_setup_def_dbptr(struct xgene_enet_pdata *pdata, struct xgene_enet_cle *enet_cle, struct xgene_cle_dbptr *dbptr, u32 index, u8 priority) { void __iomem *base = enet_cle->base; void __iomem *base_addr; u32 buf[CLE_DRAM_REGS]; u32 def_cls, offset; u32 i, j; memset(buf, 0, sizeof(buf)); xgene_cle_dbptr_to_hw(pdata, dbptr, buf); for (i = 0; i < enet_cle->parsers; i++) { if (enet_cle->active_parser != PARSER_ALL) { offset = enet_cle->active_parser * CLE_PORT_OFFSET; } else { offset = i * CLE_PORT_OFFSET; } base_addr = base + DFCLSRESDB00 + offset; for (j = 0; j < 6; j++) iowrite32(buf[j], base_addr + (j * 4)); def_cls = ((priority & 0x7) << 10) | (index & 0x3ff); iowrite32(def_cls, base + DFCLSRESDBPTR0 + offset); } }

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PersonTokensPropCommitsCommitProp
Arnd Bergmann18095.74%150.00%
Iyappan Subramanian84.26%150.00%
Total188100.00%2100.00%


static int xgene_cle_set_rss_sband(struct xgene_enet_cle *cle) { u32 idx = CLE_PKTRAM_SIZE / sizeof(u32); u32 mac_hdr_len = ETH_HLEN; u32 sband, reg = 0; u32 ipv4_ihl = 5; u32 hdr_len; int ret; /* Sideband: IPV4/TCP packets */ hdr_len = (mac_hdr_len << 5) | ipv4_ihl; xgene_cle_sband_to_hw(0, XGENE_CLE_IPV4, XGENE_CLE_TCP, hdr_len, &reg); sband = reg; /* Sideband: IPv4/UDP packets */ hdr_len = (mac_hdr_len << 5) | ipv4_ihl; xgene_cle_sband_to_hw(1, XGENE_CLE_IPV4, XGENE_CLE_UDP, hdr_len, &reg); sband |= (reg << 16); ret = xgene_cle_dram_wr(cle, &sband, 1, idx, PKT_RAM, CLE_CMD_WR); if (ret) return ret; /* Sideband: IPv4/RAW packets */ hdr_len = (mac_hdr_len << 5) | ipv4_ihl; xgene_cle_sband_to_hw(0, XGENE_CLE_IPV4, XGENE_CLE_OTHER, hdr_len, &reg); sband = reg; /* Sideband: Ethernet II/RAW packets */ hdr_len = (mac_hdr_len << 5); xgene_cle_sband_to_hw(0, XGENE_CLE_IPV4, XGENE_CLE_OTHER, hdr_len, &reg); sband |= (reg << 16); ret = xgene_cle_dram_wr(cle, &sband, 1, idx + 1, PKT_RAM, CLE_CMD_WR); if (ret) return ret; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann20894.12%150.00%
Iyappan Subramanian135.88%150.00%
Total221100.00%2100.00%


static int xgene_cle_set_rss_skeys(struct xgene_enet_cle *cle) { u32 secret_key_ipv4[4]; /* 16 Bytes*/ int ret = 0; get_random_bytes(secret_key_ipv4, 16); ret = xgene_cle_dram_wr(cle, secret_key_ipv4, 4, 0, RSS_IPV4_HASH_SKEY, CLE_CMD_WR); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann4794.00%133.33%
Iyappan Subramanian36.00%266.67%
Total50100.00%3100.00%


static int xgene_cle_set_rss_idt(struct xgene_enet_pdata *pdata) { u32 fpsel, dstqid, nfpsel, idt_reg, idx; int i, ret = 0; u16 pool_id; for (i = 0; i < XGENE_CLE_IDT_ENTRIES; i++) { idx = i % pdata->rxq_cnt; pool_id = pdata->rx_ring[idx]->buf_pool->id; fpsel = xgene_enet_get_fpsel(pool_id); dstqid = xgene_enet_dst_ring_num(pdata->rx_ring[idx]); nfpsel = 0; if (pdata->rx_ring[idx]->page_pool) { pool_id = pdata->rx_ring[idx]->page_pool->id; nfpsel = xgene_enet_get_fpsel(pool_id); } idt_reg = 0; xgene_cle_idt_to_hw(pdata, dstqid, fpsel, nfpsel, &idt_reg); ret = xgene_cle_dram_wr(&pdata->cle, &idt_reg, 1, i, RSS_IDT, CLE_CMD_WR); if (ret) return ret; } ret = xgene_cle_set_rss_skeys(&pdata->cle); if (ret) return ret; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann17793.16%150.00%
Iyappan Subramanian136.84%150.00%
Total190100.00%2100.00%


static int xgene_cle_setup_rss(struct xgene_enet_pdata *pdata) { struct xgene_enet_cle *cle = &pdata->cle; void __iomem *base = cle->base; u32 offset, val = 0; int i, ret = 0; offset = CLE_PORT_OFFSET; for (i = 0; i < cle->parsers; i++) { if (cle->active_parser != PARSER_ALL) offset = cle->active_parser * CLE_PORT_OFFSET; else offset = i * CLE_PORT_OFFSET; /* enable RSS */ val = (RSS_IPV4_12B << 1) | 0x1; writel(val, base + RSS_CTRL0 + offset); } /* setup sideband data */ ret = xgene_cle_set_rss_sband(cle); if (ret) return ret; /* setup indirection table */ ret = xgene_cle_set_rss_idt(pdata); if (ret) return ret; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann13292.31%150.00%
Iyappan Subramanian117.69%150.00%
Total143100.00%2100.00%


static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata) { struct xgene_enet_cle *enet_cle = &pdata->cle; u32 def_qid, def_fpsel, def_nxtfpsel, pool_id; struct xgene_cle_dbptr dbptr[DB_MAX_PTRS]; struct xgene_cle_ptree *ptree; struct xgene_cle_ptree_kn kn; int ret; if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) return -EINVAL; ptree = &enet_cle->ptree; ptree->start_pkt = 12; /* Ethertype */ ret = xgene_cle_setup_rss(pdata); if (ret) { netdev_err(pdata->ndev, "RSS initialization failed\n"); return ret; } def_qid = xgene_enet_dst_ring_num(pdata->rx_ring[0]); pool_id = pdata->rx_ring[0]->buf_pool->id; def_fpsel = xgene_enet_get_fpsel(pool_id); def_nxtfpsel = 0; if (pdata->rx_ring[0]->page_pool) { pool_id = pdata->rx_ring[0]->page_pool->id; def_nxtfpsel = xgene_enet_get_fpsel(pool_id); } memset(dbptr, 0, sizeof(struct xgene_cle_dbptr) * DB_MAX_PTRS); dbptr[DB_RES_ACCEPT].fpsel = def_fpsel; dbptr[DB_RES_ACCEPT].nxtfpsel = def_nxtfpsel; dbptr[DB_RES_ACCEPT].dstqid = def_qid; dbptr[DB_RES_ACCEPT].cle_priority = 1; dbptr[DB_RES_DEF].fpsel = def_fpsel; dbptr[DB_RES_DEF].nxtfpsel = def_nxtfpsel; dbptr[DB_RES_DEF].dstqid = def_qid; dbptr[DB_RES_DEF].cle_priority = 7; xgene_cle_setup_def_dbptr(pdata, enet_cle, &dbptr[DB_RES_DEF], DB_RES_ACCEPT, 7); dbptr[DB_RES_DROP].drop = 1; memset(&kn, 0, sizeof(kn)); kn.node_type = KN; kn.num_keys = 1; kn.key[0].priority = 0; kn.key[0].result_pointer = DB_RES_ACCEPT; ptree->kn = &kn; ptree->dbptr = dbptr; ptree->num_kn = 1; ptree->num_dbptr = DB_MAX_PTRS; return xgene_cle_setup_ptree(pdata, enet_cle); }

Contributors

PersonTokensPropCommitsCommitProp
Iyappan Subramanian30383.70%583.33%
Arnd Bergmann5916.30%116.67%
Total362100.00%6100.00%

const struct xgene_cle_ops xgene_cle3in_ops = { .cle_init = xgene_enet_cle_init, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Iyappan Subramanian249562.16%880.00%
Arnd Bergmann151837.82%110.00%
Julia Lawall10.02%110.00%
Total4014100.00%10100.00%
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