summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/netronome/nfp/bpf
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/jit.c24
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/main.c30
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/offload.c4
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/verifier.c24
4 files changed, 54 insertions, 28 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
index 8e57fda6b8b5..239dfbe8a0a1 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
@@ -1238,6 +1238,16 @@ static int jge_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
return wrp_cmp_imm(nfp_prog, meta, BR_BHS, true);
}
+static int jlt_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
+{
+ return wrp_cmp_imm(nfp_prog, meta, BR_BHS, false);
+}
+
+static int jle_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
+{
+ return wrp_cmp_imm(nfp_prog, meta, BR_BLO, true);
+}
+
static int jset_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
const struct bpf_insn *insn = &meta->insn;
@@ -1325,6 +1335,16 @@ static int jge_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
return wrp_cmp_reg(nfp_prog, meta, BR_BHS, true);
}
+static int jlt_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
+{
+ return wrp_cmp_reg(nfp_prog, meta, BR_BHS, false);
+}
+
+static int jle_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
+{
+ return wrp_cmp_reg(nfp_prog, meta, BR_BLO, true);
+}
+
static int jset_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
return wrp_test_reg(nfp_prog, meta, ALU_OP_AND, BR_BNE);
@@ -1383,11 +1403,15 @@ static const instr_cb_t instr_cb[256] = {
[BPF_JMP | BPF_JEQ | BPF_K] = jeq_imm,
[BPF_JMP | BPF_JGT | BPF_K] = jgt_imm,
[BPF_JMP | BPF_JGE | BPF_K] = jge_imm,
+ [BPF_JMP | BPF_JLT | BPF_K] = jlt_imm,
+ [BPF_JMP | BPF_JLE | BPF_K] = jle_imm,
[BPF_JMP | BPF_JSET | BPF_K] = jset_imm,
[BPF_JMP | BPF_JNE | BPF_K] = jne_imm,
[BPF_JMP | BPF_JEQ | BPF_X] = jeq_reg,
[BPF_JMP | BPF_JGT | BPF_X] = jgt_reg,
[BPF_JMP | BPF_JGE | BPF_X] = jge_reg,
+ [BPF_JMP | BPF_JLT | BPF_X] = jlt_reg,
+ [BPF_JMP | BPF_JLE | BPF_X] = jle_reg,
[BPF_JMP | BPF_JSET | BPF_X] = jset_reg,
[BPF_JMP | BPF_JNE | BPF_X] = jne_reg,
[BPF_JMP | BPF_EXIT] = goto_out,
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c
index afbdf5fd4e4f..be2cf10a2cd7 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -84,7 +84,7 @@ static const char *nfp_bpf_extra_cap(struct nfp_app *app, struct nfp_net *nn)
}
static int
-nfp_bpf_vnic_init(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
+nfp_bpf_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
{
struct nfp_net_bpf_priv *priv;
int ret;
@@ -106,14 +106,14 @@ nfp_bpf_vnic_init(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
setup_timer(&priv->rx_filter_stats_timer,
nfp_net_filter_stats_timer, (unsigned long)nn);
- ret = nfp_app_nic_vnic_init(app, nn, id);
+ ret = nfp_app_nic_vnic_alloc(app, nn, id);
if (ret)
kfree(priv);
return ret;
}
-static void nfp_bpf_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
+static void nfp_bpf_vnic_free(struct nfp_app *app, struct nfp_net *nn)
{
if (nn->dp.bpf_offload_xdp)
nfp_bpf_xdp_offload(app, nn, NULL);
@@ -121,23 +121,21 @@ static void nfp_bpf_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
}
static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
- u32 handle, __be16 proto, struct tc_to_netdev *tc)
+ enum tc_setup_type type, void *type_data)
{
+ struct tc_cls_bpf_offload *cls_bpf = type_data;
struct nfp_net *nn = netdev_priv(netdev);
- if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS))
- return -EOPNOTSUPP;
- if (proto != htons(ETH_P_ALL))
+ if (type != TC_SETUP_CLSBPF || !nfp_net_ebpf_capable(nn) ||
+ !is_classid_clsact_ingress(cls_bpf->common.classid) ||
+ cls_bpf->common.protocol != htons(ETH_P_ALL) ||
+ cls_bpf->common.chain_index)
return -EOPNOTSUPP;
- if (tc->type == TC_SETUP_CLSBPF && nfp_net_ebpf_capable(nn)) {
- if (!nn->dp.bpf_offload_xdp)
- return nfp_net_bpf_offload(nn, tc->cls_bpf);
- else
- return -EBUSY;
- }
+ if (nn->dp.bpf_offload_xdp)
+ return -EBUSY;
- return -EINVAL;
+ return nfp_net_bpf_offload(nn, cls_bpf);
}
static bool nfp_bpf_tc_busy(struct nfp_app *app, struct nfp_net *nn)
@@ -151,8 +149,8 @@ const struct nfp_app_type app_bpf = {
.extra_cap = nfp_bpf_extra_cap,
- .vnic_init = nfp_bpf_vnic_init,
- .vnic_clean = nfp_bpf_vnic_clean,
+ .vnic_alloc = nfp_bpf_vnic_alloc,
+ .vnic_free = nfp_bpf_vnic_free,
.setup_tc = nfp_bpf_setup_tc,
.tc_busy = nfp_bpf_tc_busy,
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/offload.c b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
index 78d80a364edb..a88bb5bc0082 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
@@ -115,14 +115,14 @@ nfp_net_bpf_get_act(struct nfp_net *nn, struct tc_cls_bpf_offload *cls_bpf)
/* TC direct action */
if (cls_bpf->exts_integrated) {
- if (tc_no_actions(cls_bpf->exts))
+ if (!tcf_exts_has_actions(cls_bpf->exts))
return NN_ACT_DIRECT;
return -EOPNOTSUPP;
}
/* TC legacy mode */
- if (!tc_single_action(cls_bpf->exts))
+ if (!tcf_exts_has_one_action(cls_bpf->exts))
return -EOPNOTSUPP;
tcf_exts_to_list(cls_bpf->exts, &actions);
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c
index d696ba46f70a..5b783a91b115 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c
@@ -79,28 +79,32 @@ nfp_bpf_check_exit(struct nfp_prog *nfp_prog,
const struct bpf_verifier_env *env)
{
const struct bpf_reg_state *reg0 = &env->cur_state.regs[0];
+ u64 imm;
if (nfp_prog->act == NN_ACT_XDP)
return 0;
- if (reg0->type != CONST_IMM) {
- pr_info("unsupported exit state: %d, imm: %llx\n",
- reg0->type, reg0->imm);
+ if (!(reg0->type == SCALAR_VALUE && tnum_is_const(reg0->var_off))) {
+ char tn_buf[48];
+
+ tnum_strn(tn_buf, sizeof(tn_buf), reg0->var_off);
+ pr_info("unsupported exit state: %d, var_off: %s\n",
+ reg0->type, tn_buf);
return -EINVAL;
}
- if (nfp_prog->act != NN_ACT_DIRECT &&
- reg0->imm != 0 && (reg0->imm & ~0U) != ~0U) {
+ imm = reg0->var_off.value;
+ if (nfp_prog->act != NN_ACT_DIRECT && imm != 0 && (imm & ~0U) != ~0U) {
pr_info("unsupported exit state: %d, imm: %llx\n",
- reg0->type, reg0->imm);
+ reg0->type, imm);
return -EINVAL;
}
- if (nfp_prog->act == NN_ACT_DIRECT && reg0->imm <= TC_ACT_REDIRECT &&
- reg0->imm != TC_ACT_SHOT && reg0->imm != TC_ACT_STOLEN &&
- reg0->imm != TC_ACT_QUEUED) {
+ if (nfp_prog->act == NN_ACT_DIRECT && imm <= TC_ACT_REDIRECT &&
+ imm != TC_ACT_SHOT && imm != TC_ACT_STOLEN &&
+ imm != TC_ACT_QUEUED) {
pr_info("unsupported exit state: %d, imm: %llx\n",
- reg0->type, reg0->imm);
+ reg0->type, imm);
return -EINVAL;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-30 14:23:24 +0000