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Kernel-side infrastructure to implement nvlist-based set/get ifcaps 

Reviewed by:	hselasky, jhb, kp (previous version)
Sponsored by:	NVIDIA Networking
MFC after:	3 weeks
Differential revision:	https://reviews.freebsd.org/D32551
This commit is contained in:
Konstantin Belousov 2021-10-17 18:00:34 +03:00 committed by Sebastian Huber
parent aeced2f48a
commit 361bd82a1f
2 changed files with 49 additions and 2 deletions
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48
newlib/libc/sys/rtems/include/net/if.h
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@ -236,7 +236,7 @@ struct if_data {
#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
/* available 0x20000 */
#define IFCAP_NV 0x20000 /* can do SIOCGIFCAPNV/SIOCSIFCAPNV */
#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */
#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */
#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */
@ -260,7 +260,40 @@ struct if_data {
#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6)
#define IFCAP_TXTLS (IFCAP_TXTLS4 | IFCAP_TXTLS6)
#define IFCAP_CANTCHANGE (IFCAP_NETMAP)
#define IFCAP_CANTCHANGE (IFCAP_NETMAP | IFCAP_NV)
#define IFCAP_ALLCAPS 0xffffffff
#define IFCAP_RXCSUM_NAME "RXCSUM"
#define IFCAP_TXCSUM_NAME "TXCSUM"
#define IFCAP_NETCONS_NAME "NETCONS"
#define IFCAP_VLAN_MTU_NAME "VLAN_MTU"
#define IFCAP_VLAN_HWTAGGING_NAME "VLAN_HWTAGGING"
#define IFCAP_JUMBO_MTU_NAME "JUMBO_MTU"
#define IFCAP_POLLING_NAME "POLLING"
#define IFCAP_VLAN_HWCSUM_NAME "VLAN_HWCSUM"
#define IFCAP_TSO4_NAME "TSO4"
#define IFCAP_TSO6_NAME "TSO6"
#define IFCAP_LRO_NAME "LRO"
#define IFCAP_WOL_UCAST_NAME "WOL_UCAST"
#define IFCAP_WOL_MCAST_NAME "WOL_MCAST"
#define IFCAP_WOL_MAGIC_NAME "WOL_MAGIC"
#define IFCAP_TOE4_NAME "TOE4"
#define IFCAP_TOE6_NAME "TOE6"
#define IFCAP_VLAN_HWFILTER_NAME "VLAN_HWFILTER"
#define IFCAP_VLAN_HWTSO_NAME "VLAN_HWTSO"
#define IFCAP_LINKSTATE_NAME "LINKSTATE"
#define IFCAP_NETMAP_NAME "NETMAP"
#define IFCAP_RXCSUM_IPV6_NAME "RXCSUM_IPV6"
#define IFCAP_TXCSUM_IPV6_NAME "TXCSUM_IPV6"
#define IFCAP_HWSTATS_NAME "HWSTATS"
#define IFCAP_TXRTLMT_NAME "TXRTLMT"
#define IFCAP_HWRXTSTMP_NAME "HWRXTSTMP"
#define IFCAP_MEXTPG_NAME "MEXTPG"
#define IFCAP_TXTLS4_NAME "TXTLS4"
#define IFCAP_TXTLS6_NAME "TXTLS6"
#define IFCAP_VXLAN_HWCSUM_NAME "VXLAN_HWCSUM"
#define IFCAP_VXLAN_HWTSO_NAME "VXLAN_HWTSO"
#define IFCAP_TXTLS_RTLMT_NAME "TXTLS_RTLMT"
#define IFQ_MAXLEN 50
#define IFNET_SLOWHZ 1 /* granularity is 1 second */
@ -387,6 +420,15 @@ struct ifreq_buffer {
void *buffer;
};
struct ifreq_nv_req {
u_int buf_length; /* Total size of buffer,
u_int for ABI struct ifreq */
u_int length; /* Length of the filled part */
void *buffer; /* Buffer itself, containing packed nv */
};
#define IFR_CAP_NV_MAXBUFSIZE (2 * 1024 * 1024)
/*
* Interface request structure used for socket
* ioctl's. All interface ioctl's must have parameter
@ -411,6 +453,7 @@ struct ifreq {
int ifru_cap[2];
u_int ifru_fib;
u_char ifru_vlan_pcp;
struct ifreq_nv_req ifru_nv;
} ifr_ifru;
#define ifr_addr ifr_ifru.ifru_addr /* address */
#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
@ -434,6 +477,7 @@ struct ifreq {
#define ifr_fib ifr_ifru.ifru_fib /* interface fib */
#define ifr_vlan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */
#define ifr_lan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */
#define ifr_cap_nv ifr_ifru.ifru_nv /* nv-based cap interface */
};
#define _SIZEOF_ADDR_IFREQ(ifr) \

3
newlib/libc/sys/rtems/include/sys/sockio.h
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@ -147,4 +147,7 @@
#define SIOCGIFDOWNREASON _IOWR('i', 154, struct ifdownreason)
#define SIOCSIFCAPNV _IOW('i', 155, struct ifreq) /* set IF features */
#define SIOCGIFCAPNV _IOWR('i', 156, struct ifreq) /* get IF features */
#endif /* !_SYS_SOCKIO_H_ */