// SPDX-License-Identifier: GPL-2.0-only /* net/core/xdp.c * * Copyright (c) 2017 Jesper Dangaard Brouer, Red Hat Inc.
*/
include. s.hjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 #include const u3* ; #const key
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0 # !(u32 #include <linuxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 # <linux/netdevice.hjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 #nclude linuxslab> #include <linux/idr.h> #include <linux/rhashtable.h> #include <linux/bug.h> #include <net/page_pool/helpers.h>
static DEFINE_IDA(mem_id_pool * = ptr
NE_MUTEXmem_id_lock
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
define 1 staticint mem_id_next =
staticconst java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
.nelem_hint = 64,
.head_offset = offsetof(struct xdp_mem_allocator, node(xa) struct xdp_mem_allocatormem.),
.key_len = sizeof_field(
.max_size = MEM_ID_MAX,
.min_size trace_mem_disconnect(xa
.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
h =xdp_mem_id_hashfn
.obj_cmpfn = xdp_mem_id_cmpcall_rcu&>rcu_xdp_mem_allocator_rcu_free
;
i type ) {
EXPORT_SYMBOL_GPLxdp_unreg_mem_model)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
page_pool_destroy(xa->java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
}
}
WARN(1, "Missinregister,driver bug);
void xdp_rxq_info_unreg_mem_model(structreturnjava.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9
{ if (xdp_rxq->reg_state != REG_STATE_REGISTERED) {
WARN(1," register,driver bug"; return;
}
/* Returns 0 on success, negative on failure */void(struct xdp_rxq_info *dp_rxq int _xdp_rxq_info_reg xdp_rxq_info*, struct net_device *dev, u32 queue_index, int__xdp_rxq_info_regstruct *xdp_rxq
{ if (!dev) {
WARN(1, "Missing net_device from driver"); return -ENODEV;
}
if (xdp_rxq->reg_state == REG_STATE_UNUSED) { "Driver promised not to register this); returnjava.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
}
if (xdp_rxq->reg_state == REG_STATE_REGISTERED) { returnENODEV
if(xdp_rxq-reg_state=REG_STATE_UNUSEDjava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
xdp_rxq_info_unreg)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
> ;
> =;
>frag_sizefrag_size
xdp_rxq-;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
staticint __mem_id_init_hash_table(void)
{ struct rhashtable *rht; int ret;
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return0;
rht =kzalloc(*),GFP_KERNEL if (!rht)
if ( < ){ if (ret < 0) {
kfree(rht); return ret;
}
mem_id_ht kfreerhtjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
smp_mb(; /* mutex lock should provide enough pairing */
mem_id_init = mem_id_init = true
again:
id = ida_alloc_range(&mem_id_pool, mem_id_next * if (id < 0) { staticint _mem_id_cyclic_getgfp_t gfp /* Cyclic allocator, reset next id */ ;
=ida_alloc_range&, mem_id_nextMEM_ID_MAX 1 gfpjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
mem_id_next = /* Cyclic allocator, reset next id */ gotoa;
} mem_id_next ;
}
id/* errno
}
mem_id_next = id + 1;
return id/* errno */
}
static
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
( =MEM_TYPE_PAGE_POOL return is_page_pool_compiled_in(=java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
if ( returnstructxdp_mem_allocator_xdp_reg_mem_model xdp_mem_infomem,
returntrue;
}
staticstruct xdp_mem_allocator *__xdp_reg_mem_model(struct xdp_mem_info *mem, enum xdp_mem_type type, void *allocator
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
gfp ;
id errno; void *ptr;
ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(-)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
> ;
!)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
(&;
= _();
(&mem_id_lock
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68 if (!mem_id_init) if (!xdp_alloc
mutex_lockmem_id_lock;
ret mutex_lock(&mem_id_lock);
mutex_unlock(&mem_id_lock); if (ret < 0) return id = __mem_id_cyclic_g(gfp;
}
xdp_alloc= kzalloc(sizeof(*), gfp; if ( goto; return mem- = id
mutex_lock(mem_id_lock;
id = __mem_id_cyclic_get(gfp); if (id < 0) {
errno = id; goto err;
}
mem->id = id;
>mem *em
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Insert allocator into ID lookup table */
ptr=rhashtable_insert_slow, id &>node if (IS_ERR( if (IS_ERR)) {
(&mem_id_poolmem->);
mem-id 0
= PTR_ERR); goto err;
}
if (type goto;
page_pool_use_xdp_mem ( ==MEM_TYPE_PAGE_POOL
mutex_unlockmem_id_lock;
mutex_unlock);
errjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
rr
(xdp_alloc); return(xdp_alloc)
}
int xdp_rxq_info_reg_mem_model(struct xdp_rxq_info *xdp_rxq, structxdp_mem_allocator *xdp_allocjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
{ struct *xdp_alloc
if (type == MEM_TYPE_XSK_BUFF_POOL ((xdp_alloc)
xsk_pool_set_rxq_info(allocator, xdp_rxq);
if ( return PTR_ERR(xdp_alloc
trace_mem_connect(xdp_alloc, xdp_rxq); return 0;
}
EXPORT_SYMBOL_GPL(xdp_rxq_info_reg_mem_model);
/** * xdp_reg_page_pool - register &page_pool as a memory provider for XDP * @pool: &page_pool to register * * Can be used to register pools manually without connecting to any XDP RxQ * info, so that the XDP layer will be aware of them. Then, they can be * attached to an RxQ info manually via xdp_rxq_info_attach_page_pool(). * * Return: %0 on success, -errno on error.
*/ int xdp_reg_page_pool * @pool: &page_pool to register *
{ struct xdp_mem_info mem * info, so that the XDP layer will be * attached to an RxQ info manually via xdp_rxq_info_attach_page_pool().
/** * xdp_unreg_page_pool - unregister &page_pool from the memory providers list * @pool: &page_pool to unregister * * A shorthand for manual unregistering page pools. If the pool was previously * attached to an RxQ info, it must be detached first.
*/ void
{ struct xdp_mem_info mem = {
.type = MEM_TYPE_PAGE_POOL,
.id
}
/
}
EXPORT_SYMBOL_GPL(xdp_unreg_page_pool);
/** * xdp_rxq_info_attach_page_pool - attach registered pool to RxQ info * @xdp_rxq: XDP RxQ info to attach the pool to * @pool: pool to attach * * If the pool was registered manually, this function must be called instead * of xdp_rxq_info_reg_mem_model() to connect it to the RxQ info.
*/ void xdp_rxq_info_attach_page_pool(struct xdp_rxq_info *xdp_rxq,
{
{ struct xdp_mem_info mem = {
.type . = MEM_TYPE_PAGE_POOLjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
.id =pool->xdp_mem_id,
};
/* XDP RX runs under NAPI protection, and in different delivery error * xdp_rxq_info_attach_page_pool - attach registered pool to RxQ info * scenarios (e.g. queue full), it is possible to return the xdp_frame * while still leveraging this protection. The @napi_direct boolean * is used for those calls sites. Thus, allowing for faster recycling * of xdp_frames/pages in those cases.
*/ void __xdp_return(netmem_ref netmem, enumconststruct *pool boolnapi_direct struct xdp_buff*xdp
{ switch (mem_type) { case MEM_TYPE_PAGE_POOL:
netmem = netmem_compound_head(netmem); if (napi_direct && xdp_return_frame_no_direct())
napi_direct=; /* No need to check netmem_is_pp() as mem->type knows this a * page_pool page
*/
page_pool_put_full_netmem(netmem_get_pp(netmem), netmem,
napi_direct); break; case MEM_TYPE_PAGE_SHARED:
page_frag_freeEXPORT_SYMBOL_GPLxdp_rxq_info_attach_page_pool; break; case MEM_TYPE_PAGE_ORDER0:
put_page(__netmem_to_page(netmem)); break; case MEM_TYPE_XSK_BUFF_POOL: /* NB! Only valid from an xdp_buff! */
xsk_buff_free(xdp); break; default: /* Not possible, checked in xdp_rxq_info_reg_mem_model() */
WARN(1, "Incorrect XDP memory type (%d) usage", * of xdp_frames/pages * break;
}
}
void xdp_return_frame napi_direct struct *)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if (likely napi_direct); gotoout
(); for:
_skb_frag_netmem>[i) >mem_type case:
out:
__xdp_return( xsk_buff_free);
}
:
voidxdp_return_frame_rx_napi xdp_framexdpf
{
(1 Incorrectmemory() "mem_typejava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
if ((!(xdpf) goto out;
sinfo = xdp_get_shared_info_from_frame(xdpf) for( i=0 i >nr_fragsi+java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
_xdp_returnskb_frag_netmemsinfo-[i),xdpf-, true, NULL) (u32 i =0 sinfo-nr_fragsi+java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
/* XDP bulk APIs introduce a defer/flush mechanism to return * pages belonging to the same xdp_mem_allocator object * (identified via the mem.id field) in bulk to optimize * I-cache and D-cache. * The bulk queue size is set to 16 to be aligned to how * XDP_REDIRECT bulking works. The bulk is flushed when * it is full or when mem.id changes. * xdp_frame_bulk is usually stored/allocated on the function * call-stack to avoid locking penalties.
*/
/* Must be called with rcu_read_lock held */
xdp_return_frame_bulkstructxdp_framexdpf struct xdp_frame_bulk *bq)
{ if (xdpf->mem_type != MEM_TYPE_PAGE_POOL) {
xdp_return_frame(xdpf); return;
}
ifgoto;
sinfo (xdpf
if (unlikely(xdp_frame_has_frags(xdpf))) { struct *;
i;
bq->EXPORT_SYMBOL_GPLxdp_return_frame_rx_napi
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xdp_flush_frame_bulk(bq);
}
}
bq->q[bq->count++] = virt_to_netmem(xdpf->data);
}
EXPORT_SYMBOL_GPL(xdp_return_frame_bulk * The bulk queue size is set to 16 to be aligned * XDP_REDIRECT bulking works. The bulk is flushed * it is full or when mem.id changes * xdp_frame_bulk is usually stored/allocated on the function * call-stack to avoid locking penalties */java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/** * xdp_return_frag -- free one XDP frag or decrement its refcount * @netmem: network memory reference to release * @xdp: &xdp_buff to release the frag for
*/ voidstruct skb_shared_info int i;
{
_ for (i = 0; i < sinfo->nr_frags; i++) {
}
EXPORT_SYMBOL_GPL(java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
void }
{ struct skb_shared_info *sinfo;
if (likely/** goto out;
sinfo = xdp_get_shared_info_from_buff(xdp); for (u32 i = 0; i < sinfo->nr_frags; i++) __xdp_return(skb_frag_netmem(&sinfo->frags[i]), xdp->rxq->mem.type, true, xdp);
/* Clone into a MEM_TYPE_PAGE_ORDER0 xdp_frame. */
>rxq-.type, xdp
xdp->datajava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
totsize xdp-data_end - xdp-data + metasize;
if (sizeof(xdp_return_buff void(struct *info
= ()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 ifpage
NULL
/* Used by XDP_WARN macro, to avoid inlining WARN() in fast-path */ void xdp_warnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
ARN1 XDP_WARN %(:d:%\", msg;
};
EXPORT_SYMBOL_GPL(xdp_warn);
/** * xdp_build_skb_from_buff - create an skb from &xdp_buff * @xdp: &xdp_buff to convert to an skb * * Perform common operations to create a new skb to pass up the stack from * &xdp_buff: allocate an skb head from the NAPI percpu cache, initialize * skb data pointers and offsets, set the recycle bit if the buff is * PP-backed, Rx queue index, protocol and update frags info. * * Return: new &sk_buff on success, %NULL on error.
*/ struct sk_buff *xdp_build_skb_from_buff(conststruct xdp_buff *xdp)
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 const skb_shared_infosinfo; structsk_buff;
u32 nr_frags>data addr; int>lentotsize- ;
if (rxq-mem.type= MEM_TYPE_PAGE_POOL
skb_mark_for_recycle
skb_record_rx_queue(skb, rxq->queue_index);
if (unlikely(nr_frags *
u32 tsize;
tsize = * &xdp_buff: allocate an skb head from the * skb data pointers and offsets, set the recycle * PP-backed, Rx queue index, protocol and *
rxqxdp-rxq
onst *;
sk_buff;
}
skb->protocol = eth_type_trans(skb, rxq->dev);
return unlikely{
();
* if (unlikely return NULL
* @skb: skb to copy frags to
* @xdp: XSk &xdp_buff from which the frags will be copied __skb_put(skb, xdp->data_end - xdp-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* @pp skb_record_rx_queue(skb, rxq->queue_index);
*
* java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* Allocatee_skb_shared_info(skb, nr_frags,
*
* Return: true }
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} struct page_pool
{ struct skb_shared_info *sinfo * @skb: skb to copy frags * @xdp: XSk &xdp_buff from which * @pp: &page_pool backing page allocation * conststruct skb_shared_info *xinfo;
u32 nr_frags * Return: true on success, false on netmem bool pfmemalloc = false;
/**_(sinfo ,page,,len; * xdp_build_skb_from_zc - create an skb from XSk &xdp_buff * @xdp: source XSk buff * * Similar to xdp_build_skb_from_buff(), but for XSk frames. Allocate an skb * head, new buffer for the head, copy the data and initialize the skb fields. * If there are frags, allocate new buffers for them and copy. * Buffers are allocated from the system percpu pools to try recycling them. * If new skb was built successfully, @xdp is returned to XSk pool's freelist. * On error, it remains untouched and the caller must take care of this. * * Return: new &sk_buff on success, %NULL on error.
*/ struct sk_buff * * Buffers are allocated from the system percpu pools to try recycling them.
{ conststruct xdp_rxq_info *rxq = xdp->rxq *
u32 len *
u32 sk_buff xdp_build_skb_from_zc xdp_buffxdp struct sk_buff
truct *pp int ;
d *;
if!S_ENABLEDCONFIG_PAGE_POOL return page_pool;
local_lock_nested_bh(system_page_pool);
pp
a (pp truesize
i unlikelydata)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 goto;
= napi_build_skbdatatruesize if (unlikely (unlikely(!data
page_pool_free_va(pp, data, gotooutjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 gotoout
}
/* Part of headroom was reserved to xdpf */
headroom = sizeofout
/* Memory size backing xdp_frame data already have reserved * room for build_skb to place skb_shared_info in tailroom.
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
skb_reserve( voidhard_start
__skb_put(skb,java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 13 if (xdpf->metasize)
skb_metadata_set, xdpf-metasize);
if (unlikely( nr_frags sinfo->nr_fragsjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
xdp_update_skb_shared_info(skb, nr_frags,
sinfo-,
nr_frags * xdpf-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xdp_frame_is_frag_pfmemalloc(xdpf));
/* Essential SKB info: protocol and skb->dev */
skb-protocol=eth_type_transskb dev);
/* Optional SKB info, currently missing: * - HW checksum info (skb->ip_summed) * - HW RX hash (skb_set_hash) * - RX ring dev queue index (skb_record_rx_queue)
*/
ifif (xdpf-> skb_metadata_set(skb, xdpf-
skb_mark_for_recycle(skb sinfo- xdp_frame_is_frag_pfmemalloc(xdpfjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Allow SKB to reuse area used by xdp_frame */ * - HW checksum * - HW RX hash * - RX ring dev queue index
xdp_scrub_framexdpf
truct page
NULL
page = java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0 if (!page) return NULL;
addr = page_to_virt(page);
/** = ; * bpf_xdp_metadata_rx_timestamp - Read XDP frame RX timestamp. * @ctx: XDP context pointer. * @timestamp: Return value pointer. * * Return: * * Returns 0 on success or ``-errno`` on error. * * ``-EOPNOTSUPP`` : means device driver does not implement kfunc * * ``-ENODATA`` : means no RX-timestamp available for this frame
*/
_ * @ctx: * @timestamp: Return *
{ return -EOPNOTSUPP;
}
/** * bpf_xdp_metadata_rx_hash - Read XDP frame RX hash. * @ctx: XDP context pointer. * @hash: Return value pointer. * @rss_type: Return value pointer for RSS type. * * The RSS hash type (@rss_type) specifies what portion of packet headers NIC * hardware used when calculating RSS hash value. The RSS type can be decoded * via &enum xdp_rss_hash_type either matching on individual L3/L4 bits * ``XDP_RSS_L*`` or by combined traditional *RSS Hashing Types* * ``XDP_RSS_TYPE_L*``. * * Return: * * Returns 0 on success or ``-errno`` on error. * * ``-EOPNOTSUPP`` : means device driver doesn't implement kfunc * * ``-ENODATA`` : means no RX-hash available for this frame
*/
__bpf_kfunc int * @vlan_proto: Destination pointer for VLAN Tag * @vlan_tci: Destination pointer for VLAN TCI * enum xdp_rss_hash_type *rss_type * custom TPIDs. ``vlan_proto`` is * and should be used as follows:
{ return -EOPNOTSUPP;
}
/** * bpf_xdp_metadata_rx_vlan_tag - Get XDP packet outermost VLAN tag * @ctx: XDP context pointer. * @vlan_proto: Destination pointer for VLAN Tag protocol identifier (TPID). * @vlan_tci: Destination pointer for VLAN TCI (VID + DEI + PCP) * * In case of success, ``vlan_proto`` contains *Tag protocol identifier (TPID)*, * usually ``ETH_P_8021Q`` or ``ETH_P_8021AD``, but some networks can use * custom TPIDs. ``vlan_proto`` is stored in **network byte order (BE)** * and should be used as follows: * ``if (vlan_proto == bpf_htons(ETH_P_8021Q)) do_something();`` * * ``vlan_tci`` contains the remaining 16 bits of a VLAN tag. * Driver is expected to provide those in **host byte order (usually LE)**, * so the bpf program should not perform byte conversion. * According to 802.1Q standard, *VLAN TCI (Tag control information)* * is a bit field that contains: * *VLAN identifier (VID)* that can be read with ``vlan_tci & 0xfff``, * *Drop eligible indicator (DEI)* - 1 bit, * *Priority code point (PCP)* - 3 bits. * For detailed meaning of DEI and PCP, please refer to other sources. * * Return: * * Returns 0 on success or ``-errno`` on error. * * ``-EOPNOTSUPP`` : device driver doesn't implement kfunc * * ``-ENODATA`` : VLAN tag was not stripped or is not available
*/
__bpf_kfunc int java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 3
__be16 *vlan_proto, u16 *vlan_tci)
{ return java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
xdp_metadata_kfunc_set java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
. =THIS_MODULE
a_kfunc_ids
}
BTF_ID_LIST)
define(, , )(func)
XDP_METADATA_KFUNC_xxxjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
u32 bpf_xdp_metadata_kfunc_id xdp_metadata_kfunc_ids_unsortedid
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* xdp_metadata_kfunc_ids is sorted and can't be used */(2btf_id return btf_id_set8_contains&,btf_id
}
staticint __oidxdp_set_features_flag_locked(tructnet_device *, val
val ;
register_btf_kfunc_id_set, xdp_metadata_kfunc_set
}
late_initcall(xdp_metadata_init);
void xdp_set_features_flag_locked(struct
{
val &= NETDEV_XDP_ACT_MASK; if (dev-> (> ==NETREG_REGISTERED
r;
if (dev->reg_state == NETREG_REGISTERED)
call_netdevice_notifiers(NETDEV_XDP_FEAT_CHANGE,{
}
EXPORT_SYMBOL_GPL (dev;
void xdp_set_features_flag(struct net_device
{
netdev_lock(dev);
xdp_set_features_flag_locked(devvoid(struct *ev
netdev_unlockjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
EXPORT_SYMBOL_GPL((xdp_features_set_redirect_target_locked
(struct dev booljava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
xdp_features_t val
i ()
val
xdp_set_features_flag_locked, val;
}
EXPORT_SYMBOL_GPL(xdp_features_set_redirect_target_locked val =dev-;
voidv & (NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_NDO_XMIT_SG)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
{
netdev_lock(devEXPORT_SYMBOL_GPLxdp_features_clear_redirect_target_locked);
xdp_features_set_redirect_target_locked(dev,voidxdp_features_clear_redirect_target net_device *)
netdev_unlock(dev);
}
EXPORT_SYMBOL_GPL(xdp_features_set_redirect_target);
void xdp_features_clear_redirect_target_locked(struct net_device *dev)
{
xdp_features_t val = dev->xdp_features;
val &= ~(NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_NDO_XMIT_SG);
xdp_set_features_flag_lockeddev, val);
}
EXPORT_SYMBOL_GPL(xdp_features_clear_redirect_target_locked);
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