Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.

 2) Use bio_vec in the networking instead of custom skb_frag_t, from
    Matthew Wilcox.

 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.

 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.

 5) Support all variants of 5750X bnxt_en chips, from Michael Chan.

 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
    Buslov.

 7) Add TCP syn cookies bpf helper, from Petar Penkov.

 8) Add 'nettest' to selftests and use it, from David Ahern.

 9) Add extack support to drop_monitor, add packet alert mode and
    support for HW drops, from Ido Schimmel.

10) Add VLAN offload to stmmac, from Jose Abreu.

11) Lots of devm_platform_ioremap_resource() conversions, from
    YueHaibing.

12) Add IONIC driver, from Shannon Nelson.

13) Several kTLS cleanups, from Jakub Kicinski.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
  mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
  mlxsw: spectrum: Register CPU port with devlink
  mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
  net: ena: fix incorrect update of intr_delay_resolution
  net: ena: fix retrieval of nonadaptive interrupt moderation intervals
  net: ena: fix update of interrupt moderation register
  net: ena: remove all old adaptive rx interrupt moderation code from ena_com
  net: ena: remove ena_restore_ethtool_params() and relevant fields
  net: ena: remove old adaptive interrupt moderation code from ena_netdev
  net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
  net: ena: enable the interrupt_moderation in driver_supported_features
  net: ena: reimplement set/get_coalesce()
  net: ena: switch to dim algorithm for rx adaptive interrupt moderation
  net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
  net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
  ethtool: implement Energy Detect Powerdown support via phy-tunable
  xen-netfront: do not assume sk_buff_head list is empty in error handling
  s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
  net: ena: don't wake up tx queue when down
  drop_monitor: Better sanitize notified packets
  ...

2 files changed, 61 insertions, 12 deletions

diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index f647d565bd6d..78e8a888306d 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -16,6 +16,7 @@
 #define QDIO_MAX_QUEUES_PER_IRQ		4
 #define QDIO_MAX_BUFFERS_PER_Q		128
 #define QDIO_MAX_BUFFERS_MASK		(QDIO_MAX_BUFFERS_PER_Q - 1)
+#define QDIO_BUFNR(num)			((num) & QDIO_MAX_BUFFERS_MASK)
 #define QDIO_MAX_ELEMENTS_PER_BUFFER	16
 #define QDIO_SBAL_SIZE			256
 
@@ -359,7 +360,7 @@ struct qdio_initialize {
 	qdio_handler_t *output_handler;
 	void (**queue_start_poll_array) (struct ccw_device *, int,
 					  unsigned long);
-	int scan_threshold;
+	unsigned int scan_threshold;
 	unsigned long int_parm;
 	struct qdio_buffer **input_sbal_addr_array;
 	struct qdio_buffer **output_sbal_addr_array;
@@ -416,6 +417,9 @@ extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int,
 extern int qdio_start_irq(struct ccw_device *, int);
 extern int qdio_stop_irq(struct ccw_device *, int);
 extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *);
+extern int qdio_inspect_queue(struct ccw_device *cdev, unsigned int nr,
+			      bool is_input, unsigned int *bufnr,
+			      unsigned int *error);
 extern int qdio_shutdown(struct ccw_device *, int);
 extern int qdio_free(struct ccw_device *);
 extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *);
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 955eb355c2fd..ce88211b9c6c 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -502,7 +502,8 @@ static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth)
  * NOTE: Use noinline because for gcov (-fprofile-arcs) gcc allocates a lot of
  * stack space for the large switch statement.
  */
-static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i)
+static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
+				 int i, bool extra_pass)
 {
 	struct bpf_insn *insn = &fp->insnsi[i];
 	int jmp_off, last, insn_count = 1;
@@ -1011,10 +1012,14 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
 	 */
 	case BPF_JMP | BPF_CALL:
 	{
-		/*
-		 * b0 = (__bpf_call_base + imm)(b1, b2, b3, b4, b5)
-		 */
-		const u64 func = (u64)__bpf_call_base + imm;
+		u64 func;
+		bool func_addr_fixed;
+		int ret;
+
+		ret = bpf_jit_get_func_addr(fp, insn, extra_pass,
+					    &func, &func_addr_fixed);
+		if (ret < 0)
+			return -1;
 
 		REG_SET_SEEN(BPF_REG_5);
 		jit->seen |= SEEN_FUNC;
@@ -1283,7 +1288,8 @@ branch_oc:
 /*
  * Compile eBPF program into s390x code
  */
-static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp)
+static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp,
+			bool extra_pass)
 {
 	int i, insn_count;
 
@@ -1292,7 +1298,7 @@ static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp)
 
 	bpf_jit_prologue(jit, fp->aux->stack_depth);
 	for (i = 0; i < fp->len; i += insn_count) {
-		insn_count = bpf_jit_insn(jit, fp, i);
+		insn_count = bpf_jit_insn(jit, fp, i, extra_pass);
 		if (insn_count < 0)
 			return -1;
 		/* Next instruction address */
@@ -1311,6 +1317,12 @@ bool bpf_jit_needs_zext(void)
 	return true;
 }
 
+struct s390_jit_data {
+	struct bpf_binary_header *header;
+	struct bpf_jit ctx;
+	int pass;
+};
+
 /*
  * Compile eBPF program "fp"
  */
@@ -1318,7 +1330,9 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 {
 	struct bpf_prog *tmp, *orig_fp = fp;
 	struct bpf_binary_header *header;
+	struct s390_jit_data *jit_data;
 	bool tmp_blinded = false;
+	bool extra_pass = false;
 	struct bpf_jit jit;
 	int pass;
 
@@ -1337,6 +1351,23 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		fp = tmp;
 	}
 
+	jit_data = fp->aux->jit_data;
+	if (!jit_data) {
+		jit_data = kzalloc(sizeof(*jit_data), GFP_KERNEL);
+		if (!jit_data) {
+			fp = orig_fp;
+			goto out;
+		}
+		fp->aux->jit_data = jit_data;
+	}
+	if (jit_data->ctx.addrs) {
+		jit = jit_data->ctx;
+		header = jit_data->header;
+		extra_pass = true;
+		pass = jit_data->pass + 1;
+		goto skip_init_ctx;
+	}
+
 	memset(&jit, 0, sizeof(jit));
 	jit.addrs = kcalloc(fp->len + 1, sizeof(*jit.addrs), GFP_KERNEL);
 	if (jit.addrs == NULL) {
@@ -1349,7 +1380,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 	 *   - 3:   Calculate program size and addrs arrray
 	 */
 	for (pass = 1; pass <= 3; pass++) {
-		if (bpf_jit_prog(&jit, fp)) {
+		if (bpf_jit_prog(&jit, fp, extra_pass)) {
 			fp = orig_fp;
 			goto free_addrs;
 		}
@@ -1361,12 +1392,14 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		fp = orig_fp;
 		goto free_addrs;
 	}
+
 	header = bpf_jit_binary_alloc(jit.size, &jit.prg_buf, 2, jit_fill_hole);
 	if (!header) {
 		fp = orig_fp;
 		goto free_addrs;
 	}
-	if (bpf_jit_prog(&jit, fp)) {
+skip_init_ctx:
+	if (bpf_jit_prog(&jit, fp, extra_pass)) {
 		bpf_jit_binary_free(header);
 		fp = orig_fp;
 		goto free_addrs;
@@ -1375,12 +1408,24 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		bpf_jit_dump(fp->len, jit.size, pass, jit.prg_buf);
 		print_fn_code(jit.prg_buf, jit.size_prg);
 	}
-	bpf_jit_binary_lock_ro(header);
+	if (!fp->is_func || extra_pass) {
+		bpf_jit_binary_lock_ro(header);
+	} else {
+		jit_data->header = header;
+		jit_data->ctx = jit;
+		jit_data->pass = pass;
+	}
 	fp->bpf_func = (void *) jit.prg_buf;
 	fp->jited = 1;
 	fp->jited_len = jit.size;
+
+	if (!fp->is_func || extra_pass) {
+		bpf_prog_fill_jited_linfo(fp, jit.addrs + 1);
 free_addrs:
-	kfree(jit.addrs);
+		kfree(jit.addrs);
+		kfree(jit_data);
+		fp->aux->jit_data = NULL;
+	}
 out:
 	if (tmp_blinded)
 		bpf_jit_prog_release_other(fp, fp == orig_fp ?