libpfring: update to 7.8.0

Add patch to fix compilation with kernel 5.10

Also submitted upstream:
https://github.com/ntop/PF_RING/pull/687
https://github.com/ntop/PF_RING/pull/688

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>

2 files changed, 322 insertions, 2 deletions

diff --git a/libs/libpfring/Makefile b/libs/libpfring/Makefile
index 6a689a04e..82e1c0266 100644
--- a/libs/libpfring/Makefile
+++ b/libs/libpfring/Makefile
@@ -9,12 +9,12 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=libpfring
-PKG_VERSION:=7.6.0
+PKG_VERSION:=7.8.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/ntop/PF_RING/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=8f1eb1c5a823984c0ab9e1f9b00b67755a729c17112f48ed618f7ffd717c52d7
+PKG_HASH:=3c7a563ee3ff58c76525c4f66ef711ecd66b080eadfcef99aa1d08df12f65ec0
 PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/PF_RING-$(PKG_VERSION)
 
 PKG_MAINTAINER:=Banglang Huang <banglang.huang@foxmail.com>
diff --git a/libs/libpfring/patches/0002-kernel-pf_ring.c-linux-v5.9-compatibility.patch b/libs/libpfring/patches/0002-kernel-pf_ring.c-linux-v5.9-compatibility.patch
new file mode 100644
index 000000000..6d6b0475f
--- /dev/null
+++ b/libs/libpfring/patches/0002-kernel-pf_ring.c-linux-v5.9-compatibility.patch
@@ -0,0 +1,320 @@
+--- a/kernel/pf_ring.c
++++ b/kernel/pf_ring.c
+@@ -6806,11 +6806,21 @@ int sk_detach_filter(struct sock *sk)
+ #endif
+ 
+ /* ************************************* */
++#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0))
++#define copy_from_sockptr copy_from_user
++#define copy_to_sockptr copy_to_user
++#else
++#define copy_to_sockptr(dst,src,size) copy_to_sockptr_offset(dst, 0, src, size)
++#endif
+ 
+ /* Code taken/inspired from core/sock.c */
+ static int ring_setsockopt(struct socket *sock,
+ 			   int level, int optname,
++#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0))
+ 			   char __user * optval,
++#else
++			   sockptr_t optval,
++#endif
+ 			   unsigned
+ 			   int optlen)
+ {
+@@ -6842,7 +6852,7 @@ static int ring_setsockopt(struct socket *sock,
+ 
+       ret = -EFAULT;
+ 
+-      if(copy_from_user(&fprog, optval, sizeof(fprog)))
++      if(copy_from_sockptr(&fprog, optval, sizeof(fprog)))
+         break;
+ 
+       if(fprog.len <= 1) { /* empty filter */
+@@ -6888,7 +6898,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(cluster))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&cluster, optval, sizeof(cluster)))
++    if(copy_from_sockptr(&cluster, optval, sizeof(cluster)))
+       return(-EFAULT);
+ 
+     write_lock_bh(&pfr->ring_rules_lock);
+@@ -6911,7 +6921,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(channel_id_mask))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&channel_id_mask, optval, sizeof(channel_id_mask)))
++    if(copy_from_sockptr(&channel_id_mask, optval, sizeof(channel_id_mask)))
+       return(-EFAULT);
+ 
+     num_channels = 0;
+@@ -6967,7 +6977,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen > sizeof(name) /* Names should not be too long */ )
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&name, optval, optlen))
++    if(copy_from_sockptr(&name, optval, optlen))
+       return(-EFAULT);
+ 
+     if(pfr->appl_name != NULL)
+@@ -6985,7 +6995,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(direction))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&direction, optval, sizeof(direction)))
++    if(copy_from_sockptr(&direction, optval, sizeof(direction)))
+       return(-EFAULT);
+ 
+     pfr->direction = direction;
+@@ -6999,7 +7009,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(sockmode))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&sockmode, optval, sizeof(sockmode)))
++    if(copy_from_sockptr(&sockmode, optval, sizeof(sockmode)))
+       return(-EFAULT);
+ 
+     pfr->mode = sockmode;
+@@ -7013,7 +7023,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(rule_inactivity))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&rule_inactivity, optval, sizeof(rule_inactivity)))
++    if(copy_from_sockptr(&rule_inactivity, optval, sizeof(rule_inactivity)))
+       return(-EFAULT);
+     else {
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7027,7 +7037,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(rule_inactivity))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&rule_inactivity, optval, sizeof(rule_inactivity)))
++    if(copy_from_sockptr(&rule_inactivity, optval, sizeof(rule_inactivity)))
+       return(-EFAULT);
+     else {
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7043,7 +7053,7 @@ static int ring_setsockopt(struct socket *sock,
+     else {
+       u_int8_t new_policy;
+ 
+-      if(copy_from_user(&new_policy, optval, optlen))
++      if(copy_from_sockptr(&new_policy, optval, optlen))
+ 	return(-EFAULT);
+ 
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7075,7 +7085,7 @@ static int ring_setsockopt(struct socket *sock,
+       if(rule == NULL)
+ 	return(-EFAULT);
+ 
+-      if(copy_from_user(&rule->rule, optval, optlen))
++      if(copy_from_sockptr(&rule->rule, optval, optlen))
+ 	return(-EFAULT);
+ 
+       INIT_LIST_HEAD(&rule->list);
+@@ -7099,7 +7109,7 @@ static int ring_setsockopt(struct socket *sock,
+       if(rule == NULL)
+ 	return(-EFAULT);
+ 
+-      if(copy_from_user(&rule->rule, optval, optlen))
++      if(copy_from_sockptr(&rule->rule, optval, optlen))
+ 	return(-EFAULT);
+ 
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7123,7 +7133,7 @@ static int ring_setsockopt(struct socket *sock,
+       /* This is a list rule */
+       int rc;
+ 
+-      if(copy_from_user(&rule_id, optval, optlen))
++      if(copy_from_sockptr(&rule_id, optval, optlen))
+ 	return(-EFAULT);
+ 
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7139,7 +7149,7 @@ static int ring_setsockopt(struct socket *sock,
+       sw_filtering_hash_bucket rule;
+       int rc;
+ 
+-      if(copy_from_user(&rule.rule, optval, optlen))
++      if(copy_from_sockptr(&rule.rule, optval, optlen))
+ 	return(-EFAULT);
+ 
+       write_lock_bh(&pfr->ring_rules_lock);
+@@ -7156,7 +7166,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(pfr->sample_rate))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&pfr->sample_rate, optval, sizeof(pfr->sample_rate)))
++    if(copy_from_sockptr(&pfr->sample_rate, optval, sizeof(pfr->sample_rate)))
+       return(-EFAULT);
+     break;
+ 
+@@ -7164,7 +7174,7 @@ static int ring_setsockopt(struct socket *sock,
+ 	  if(optlen != sizeof(pfr->filtering_sample_rate))
+ 		return(-EINVAL);
+ 
+-	  if(copy_from_user(&pfr->filtering_sample_rate, optval, sizeof(pfr->filtering_sample_rate)))
++	  if(copy_from_sockptr(&pfr->filtering_sample_rate, optval, sizeof(pfr->filtering_sample_rate)))
+ 		return(-EFAULT);
+ 
+       pfr->filtering_sampling_size = pfr->filtering_sample_rate;
+@@ -7231,7 +7241,7 @@ static int ring_setsockopt(struct socket *sock,
+       else
+ 	threshold = min_num_slots;
+ 
+-      if(copy_from_user(&pfr->poll_num_pkts_watermark, optval, optlen))
++      if(copy_from_sockptr(&pfr->poll_num_pkts_watermark, optval, optlen))
+ 	return(-EFAULT);
+ 
+       if(pfr->poll_num_pkts_watermark > threshold)
+@@ -7248,7 +7258,7 @@ static int ring_setsockopt(struct socket *sock,
+ 	  if(optlen != sizeof(u_int16_t))
+ 		return(-EINVAL);
+ 	  else {
+-		if(copy_from_user(&pfr->poll_watermark_timeout, optval, optlen))
++		if(copy_from_sockptr(&pfr->poll_watermark_timeout, optval, optlen))
+            return(-EFAULT);
+ 		debug_printk(2, "--> SO_SET_POLL_WATERMARK_TIMEOUT=%u\n", pfr->poll_watermark_timeout);
+ 	  }
+@@ -7258,7 +7268,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(u_int32_t))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&pfr->bucket_len, optval, optlen))
++    if(copy_from_sockptr(&pfr->bucket_len, optval, optlen))
+       return(-EFAULT);
+ 
+     debug_printk(2, "--> SO_RING_BUCKET_LEN=%d\n", pfr->bucket_len);
+@@ -7268,7 +7278,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(zc_dev_mapping))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&mapping, optval, optlen))
++    if(copy_from_sockptr(&mapping, optval, optlen))
+       return(-EFAULT);
+ 
+     debug_printk(2, "SO_SELECT_ZC_DEVICE %s\n", mapping.device_name);
+@@ -7278,7 +7288,7 @@ static int ring_setsockopt(struct socket *sock,
+     else
+       ret = pfring_release_zc_dev(pfr);
+ 
+-    if(copy_to_user(optval, &mapping, optlen)) /* returning device_model*/
++    if(copy_to_sockptr(optval, &mapping, optlen)) /* returning device_model*/
+       return(-EFAULT);
+ 
+     break;
+@@ -7291,7 +7301,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(ring_id))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&ring_id, optval, sizeof(ring_id)))
++    if(copy_from_sockptr(&ring_id, optval, sizeof(ring_id)))
+       return(-EFAULT);
+ 
+     write_lock_bh(&pfr->ring_rules_lock);
+@@ -7303,7 +7313,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(hw_filtering_rule))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&hw_rule, optval, sizeof(hw_rule)))
++    if(copy_from_sockptr(&hw_rule, optval, sizeof(hw_rule)))
+       return(-EFAULT);
+ 
+     /* Check if a rule with the same id exists */
+@@ -7343,7 +7353,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(u_int16_t))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&rule_id, optval, sizeof(u_int16_t)))
++    if(copy_from_sockptr(&rule_id, optval, sizeof(u_int16_t)))
+       return(-EFAULT);
+ 
+     /* Check if the rule we want to remove exists */
+@@ -7381,7 +7391,7 @@ static int ring_setsockopt(struct socket *sock,
+       if(optlen != sizeof(elem))
+ 	return(-EINVAL);
+ 
+-      if(copy_from_user(&elem, optval, sizeof(elem)))
++      if(copy_from_sockptr(&elem, optval, sizeof(elem)))
+ 	return(-EFAULT);
+ 
+       if((pfr->v_filtering_dev = add_virtual_filtering_device(pfr, &elem)) == NULL)
+@@ -7402,14 +7412,14 @@ static int ring_setsockopt(struct socket *sock,
+       if(optlen < sizeof(ccri))
+         return(-EINVAL);
+ 
+-      if(copy_from_user(&ccri, optval, sizeof(ccri)))
++      if(copy_from_sockptr(&ccri, optval, sizeof(ccri)))
+ 	return(-EFAULT);
+ 
+       if(create_cluster_referee(pfr, ccri.cluster_id, &ccri.recovered) < 0)
+         return(-EINVAL);
+ 
+       /* copying back the structure (actually we need ccri.recovered only) */
+-      if(copy_to_user(optval, &ccri, sizeof(ccri))) {
++      if(copy_to_sockptr(optval, &ccri, sizeof(ccri))) {
+         remove_cluster_referee(pfr);
+         return(-EFAULT);
+       }
+@@ -7422,7 +7432,7 @@ static int ring_setsockopt(struct socket *sock,
+     {
+       struct public_cluster_object_info pcoi;
+ 
+-      if(copy_from_user(&pcoi, optval, sizeof(pcoi)))
++      if(copy_from_sockptr(&pcoi, optval, sizeof(pcoi)))
+ 	return(-EFAULT);
+ 
+       if(publish_cluster_object(pfr, pcoi.cluster_id, pcoi.object_type, pcoi.object_id) < 0)
+@@ -7436,7 +7446,7 @@ static int ring_setsockopt(struct socket *sock,
+     {
+       struct lock_cluster_object_info lcoi;
+ 
+-      if(copy_from_user(&lcoi, optval, sizeof(lcoi)))
++      if(copy_from_sockptr(&lcoi, optval, sizeof(lcoi)))
+ 	return(-EFAULT);
+ 
+       if(lock_cluster_object(pfr, lcoi.cluster_id, lcoi.object_type, lcoi.object_id, lcoi.lock_mask) < 0)
+@@ -7450,7 +7460,7 @@ static int ring_setsockopt(struct socket *sock,
+     {
+       struct lock_cluster_object_info lcoi;
+ 
+-      if(copy_from_user(&lcoi, optval, sizeof(lcoi)))
++      if(copy_from_sockptr(&lcoi, optval, sizeof(lcoi)))
+ 	return(-EFAULT);
+ 
+       if(unlock_cluster_object(pfr, lcoi.cluster_id, lcoi.object_type, lcoi.object_id, lcoi.lock_mask) < 0)
+@@ -7465,7 +7475,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen > (sizeof(pfr->custom_bound_device_name)-1))
+       optlen = sizeof(pfr->custom_bound_device_name)-1;
+ 
+-    if(copy_from_user(&pfr->custom_bound_device_name, optval, optlen)) {
++    if(copy_from_sockptr(&pfr->custom_bound_device_name, optval, optlen)) {
+       pfr->custom_bound_device_name[0] = '\0';
+       return(-EFAULT);
+     } else
+@@ -7490,7 +7500,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen > (sizeof(pfr->statsString)-1))
+       optlen = sizeof(pfr->statsString)-1;
+ 
+-    if(copy_from_user(&pfr->statsString, optval, optlen)) {
++    if(copy_from_sockptr(&pfr->statsString, optval, optlen)) {
+       pfr->statsString[0] = '\0';
+       return(-EFAULT);
+     }
+@@ -7511,7 +7521,7 @@ static int ring_setsockopt(struct socket *sock,
+       if(optlen != sizeof(u_int32_t))
+         return (-EINVAL);
+ 
+-      if(copy_from_user(&enable_promisc, optval, optlen))
++      if(copy_from_sockptr(&enable_promisc, optval, optlen))
+         return (-EFAULT);
+ 
+       if(!pfr->ring_dev || pfr->ring_dev == &none_device_element || pfr->ring_dev == &any_device_element) {
+@@ -7537,7 +7547,7 @@ static int ring_setsockopt(struct socket *sock,
+     if(optlen != sizeof(vlan_id))
+       return(-EINVAL);
+ 
+-    if(copy_from_user(&vlan_id, optval, sizeof(vlan_id)))
++    if(copy_from_sockptr(&vlan_id, optval, sizeof(vlan_id)))
+       return(-EFAULT);
+ 
+     pfr->vlan_id = vlan_id;