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authorUpinder Malhi <umalhi@cisco.com>2014-01-10 02:48:15 +0400
committerRoland Dreier <roland@purestorage.com>2014-01-14 12:44:43 +0400
commit3f92bed3d6c073f41efc0777ecd3442aa1f03d20 (patch)
tree3a11d70f460676a74d105de512628d7eee33f299 /drivers/infiniband/hw/usnic/usnic_fwd.h
parentb85caf479b577f000067002259539ad4341d4530 (diff)
downloadlinux-3f92bed3d6c073f41efc0777ecd3442aa1f03d20.tar.xz
IB/usnic: Add UDP support to usnic_fwd.[hc]
Add *ip field* to *struct usnic_fwd_dev* as well as new *functions* to manipulate the *ip field.* Furthermore, add new functions for programming UDP flows in the forwarding device. Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/usnic/usnic_fwd.h')
-rw-r--r--drivers/infiniband/hw/usnic/usnic_fwd.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_fwd.h b/drivers/infiniband/hw/usnic/usnic_fwd.h
index b146eb97d82c..93713a2230b3 100644
--- a/drivers/infiniband/hw/usnic/usnic_fwd.h
+++ b/drivers/infiniband/hw/usnic/usnic_fwd.h
@@ -40,6 +40,7 @@ struct usnic_fwd_dev {
bool link_up;
char mac[ETH_ALEN];
unsigned int mtu;
+ __be32 inaddr;
char name[IFNAMSIZ+1];
};
@@ -58,6 +59,8 @@ struct usnic_fwd_dev *usnic_fwd_dev_alloc(struct pci_dev *pdev);
void usnic_fwd_dev_free(struct usnic_fwd_dev *ufdev);
void usnic_fwd_set_mac(struct usnic_fwd_dev *ufdev, char mac[ETH_ALEN]);
+int usnic_fwd_add_ipaddr(struct usnic_fwd_dev *ufdev, __be32 inaddr);
+void usnic_fwd_del_ipaddr(struct usnic_fwd_dev *ufdev);
void usnic_fwd_carrier_up(struct usnic_fwd_dev *ufdev);
void usnic_fwd_carrier_down(struct usnic_fwd_dev *ufdev);
void usnic_fwd_set_mtu(struct usnic_fwd_dev *ufdev, unsigned int mtu);
@@ -89,4 +92,22 @@ static inline void usnic_fwd_init_usnic_filter(struct filter *filter,
filter->u.usnic.usnic_id = usnic_id;
}
+static inline void usnic_fwd_init_udp_filter(struct filter *filter,
+ uint32_t daddr, uint16_t dport)
+{
+ filter->type = FILTER_IPV4_5TUPLE;
+ filter->u.ipv4.flags = FILTER_FIELD_5TUP_PROTO;
+ filter->u.ipv4.protocol = PROTO_UDP;
+
+ if (daddr) {
+ filter->u.ipv4.flags |= FILTER_FIELD_5TUP_DST_AD;
+ filter->u.ipv4.dst_addr = daddr;
+ }
+
+ if (dport) {
+ filter->u.ipv4.flags |= FILTER_FIELD_5TUP_DST_PT;
+ filter->u.ipv4.dst_port = dport;
+ }
+}
+
#endif /* !USNIC_FWD_H_ */