Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Sabrina Dubroca | 1910 | 93.63% | 1 | 20.00% |
Jakub Kiciński | 130 | 6.37% | 4 | 80.00% |
Total | 2040 | 5 |
// SPDX-License-Identifier: GPL-2.0 #include <net/macsec.h> #include "netdevsim.h" static inline u64 sci_to_cpu(sci_t sci) { return be64_to_cpu((__force __be64)sci); } static int nsim_macsec_find_secy(struct netdevsim *ns, sci_t sci) { int i; for (i = 0; i < NSIM_MACSEC_MAX_SECY_COUNT; i++) { if (ns->macsec.nsim_secy[i].sci == sci) return i; } return -1; } static int nsim_macsec_find_rxsc(struct nsim_secy *ns_secy, sci_t sci) { int i; for (i = 0; i < NSIM_MACSEC_MAX_RXSC_COUNT; i++) { if (ns_secy->nsim_rxsc[i].sci == sci) return i; } return -1; } static int nsim_macsec_add_secy(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; if (ns->macsec.nsim_secy_count == NSIM_MACSEC_MAX_SECY_COUNT) return -ENOSPC; for (idx = 0; idx < NSIM_MACSEC_MAX_SECY_COUNT; idx++) { if (!ns->macsec.nsim_secy[idx].used) break; } if (idx == NSIM_MACSEC_MAX_SECY_COUNT) { netdev_err(ctx->netdev, "%s: nsim_secy_count not full but all SecYs used\n", __func__); return -ENOSPC; } netdev_dbg(ctx->netdev, "%s: adding new secy with sci %08llx at index %d\n", __func__, sci_to_cpu(ctx->secy->sci), idx); ns->macsec.nsim_secy[idx].used = true; ns->macsec.nsim_secy[idx].nsim_rxsc_count = 0; ns->macsec.nsim_secy[idx].sci = ctx->secy->sci; ns->macsec.nsim_secy_count++; return 0; } static int nsim_macsec_upd_secy(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: updating secy with sci %08llx at index %d\n", __func__, sci_to_cpu(ctx->secy->sci), idx); return 0; } static int nsim_macsec_del_secy(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: removing SecY with SCI %08llx at index %d\n", __func__, sci_to_cpu(ctx->secy->sci), idx); ns->macsec.nsim_secy[idx].used = false; memset(&ns->macsec.nsim_secy[idx], 0, sizeof(ns->macsec.nsim_secy[idx])); ns->macsec.nsim_secy_count--; return 0; } static int nsim_macsec_add_rxsc(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; if (secy->nsim_rxsc_count == NSIM_MACSEC_MAX_RXSC_COUNT) return -ENOSPC; for (idx = 0; idx < NSIM_MACSEC_MAX_RXSC_COUNT; idx++) { if (!secy->nsim_rxsc[idx].used) break; } if (idx == NSIM_MACSEC_MAX_RXSC_COUNT) netdev_err(ctx->netdev, "%s: nsim_rxsc_count not full but all RXSCs used\n", __func__); netdev_dbg(ctx->netdev, "%s: adding new rxsc with sci %08llx at index %d\n", __func__, sci_to_cpu(ctx->rx_sc->sci), idx); secy->nsim_rxsc[idx].used = true; secy->nsim_rxsc[idx].sci = ctx->rx_sc->sci; secy->nsim_rxsc_count++; return 0; } static int nsim_macsec_upd_rxsc(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n", __func__, sci_to_cpu(ctx->rx_sc->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: updating RXSC with sci %08llx at index %d\n", __func__, sci_to_cpu(ctx->rx_sc->sci), idx); return 0; } static int nsim_macsec_del_rxsc(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; idx = nsim_macsec_find_rxsc(secy, ctx->rx_sc->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n", __func__, sci_to_cpu(ctx->rx_sc->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: removing RXSC with sci %08llx at index %d\n", __func__, sci_to_cpu(ctx->rx_sc->sci), idx); secy->nsim_rxsc[idx].used = false; memset(&secy->nsim_rxsc[idx], 0, sizeof(secy->nsim_rxsc[idx])); secy->nsim_rxsc_count--; return 0; } static int nsim_macsec_add_rxsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); return 0; } static int nsim_macsec_upd_rxsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); return 0; } static int nsim_macsec_del_rxsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); struct nsim_secy *secy; int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } secy = &ns->macsec.nsim_secy[idx]; idx = nsim_macsec_find_rxsc(secy, ctx->sa.rx_sa->sc->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in RXSC table\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: RXSC with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->sa.rx_sa->sc->sci), ctx->sa.assoc_num); return 0; } static int nsim_macsec_add_txsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); return 0; } static int nsim_macsec_upd_txsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); return 0; } static int nsim_macsec_del_txsa(struct macsec_context *ctx) { struct netdevsim *ns = netdev_priv(ctx->netdev); int idx; idx = nsim_macsec_find_secy(ns, ctx->secy->sci); if (idx < 0) { netdev_err(ctx->netdev, "%s: sci %08llx not found in secy table\n", __func__, sci_to_cpu(ctx->secy->sci)); return -ENOENT; } netdev_dbg(ctx->netdev, "%s: SECY with sci %08llx, AN %u\n", __func__, sci_to_cpu(ctx->secy->sci), ctx->sa.assoc_num); return 0; } static const struct macsec_ops nsim_macsec_ops = { .mdo_add_secy = nsim_macsec_add_secy, .mdo_upd_secy = nsim_macsec_upd_secy, .mdo_del_secy = nsim_macsec_del_secy, .mdo_add_rxsc = nsim_macsec_add_rxsc, .mdo_upd_rxsc = nsim_macsec_upd_rxsc, .mdo_del_rxsc = nsim_macsec_del_rxsc, .mdo_add_rxsa = nsim_macsec_add_rxsa, .mdo_upd_rxsa = nsim_macsec_upd_rxsa, .mdo_del_rxsa = nsim_macsec_del_rxsa, .mdo_add_txsa = nsim_macsec_add_txsa, .mdo_upd_txsa = nsim_macsec_upd_txsa, .mdo_del_txsa = nsim_macsec_del_txsa, }; void nsim_macsec_init(struct netdevsim *ns) { ns->netdev->macsec_ops = &nsim_macsec_ops; ns->netdev->features |= NETIF_F_HW_MACSEC; memset(&ns->macsec, 0, sizeof(ns->macsec)); } void nsim_macsec_teardown(struct netdevsim *ns) { }
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