Differential D17364 Diff 49494 head/sys/dev/netmap/netmap_freebsd.c

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head/sys/dev/netmap/netmap_freebsd.c

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void *		void *
nm_os_send_up(struct ifnet ifp, struct mbuf m, struct mbuf *prev)		nm_os_send_up(struct ifnet ifp, struct mbuf m, struct mbuf *prev)
{		{
NA(ifp)->if_input(ifp, m);		NA(ifp)->if_input(ifp, m);
return NULL;		return NULL;
}		}

int		int
nm_os_mbuf_has_offld(struct mbuf *m)		nm_os_mbuf_has_csum_offld(struct mbuf *m)
{		{
return m->m_pkthdr.csum_flags & (CSUM_TCP \| CSUM_UDP \| CSUM_SCTP \|		return m->m_pkthdr.csum_flags & (CSUM_TCP \| CSUM_UDP \| CSUM_SCTP \|
CSUM_TCP_IPV6 \| CSUM_UDP_IPV6 \|		CSUM_TCP_IPV6 \| CSUM_UDP_IPV6 \|
CSUM_SCTP_IPV6 \| CSUM_TSO);		CSUM_SCTP_IPV6);
}		}

		int
		nm_os_mbuf_has_seg_offld(struct mbuf *m)
		{
		return m->m_pkthdr.csum_flags & CSUM_TSO;
		}

static void		static void
freebsd_generic_rx_handler(struct ifnet ifp, struct mbuf m)		freebsd_generic_rx_handler(struct ifnet ifp, struct mbuf m)
{		{
int stolen;		int stolen;

if (!NM_NA_VALID(ifp)) {		if (!NM_NA_VALID(ifp)) {
RD(1, "Warning: got RX packet for invalid emulated adapter");		RD(1, "Warning: got RX packet for invalid emulated adapter");
return;		return;
▲ Show 20 Lines • Show All 339 Lines • ▼ Show 20 Lines	struct nm_os_extmem {
vm_offset_t kva;		vm_offset_t kva;
vm_offset_t size;		vm_offset_t size;
uintptr_t scan;		uintptr_t scan;
};		};

void		void
nm_os_extmem_delete(struct nm_os_extmem *e)		nm_os_extmem_delete(struct nm_os_extmem *e)
{		{
D("freeing %jx bytes", (uintmax_t)e->size);		D("freeing %zx bytes", (size_t)e->size);
vm_map_remove(kernel_map, e->kva, e->kva + e->size);		vm_map_remove(kernel_map, e->kva, e->kva + e->size);
nm_os_free(e);		nm_os_free(e);
}		}

char *		char *
nm_os_extmem_nextpage(struct nm_os_extmem *e)		nm_os_extmem_nextpage(struct nm_os_extmem *e)
{		{
char *rv = NULL;		char *rv = NULL;
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines	nm_os_extmem_create(unsigned long p, struct nmreq_pools_info pi, int perror)
* are mmap()ing it all exit		* are mmap()ing it all exit
*/		*/
e->kva = vm_map_min(kernel_map);		e->kva = vm_map_min(kernel_map);
e->size = obj->size << PAGE_SHIFT;		e->size = obj->size << PAGE_SHIFT;
rv = vm_map_find(kernel_map, obj, 0, &e->kva, e->size, 0,		rv = vm_map_find(kernel_map, obj, 0, &e->kva, e->size, 0,
VMFS_OPTIMAL_SPACE, VM_PROT_READ \| VM_PROT_WRITE,		VMFS_OPTIMAL_SPACE, VM_PROT_READ \| VM_PROT_WRITE,
VM_PROT_READ \| VM_PROT_WRITE, 0);		VM_PROT_READ \| VM_PROT_WRITE, 0);
if (rv != KERN_SUCCESS) {		if (rv != KERN_SUCCESS) {
D("vm_map_find(%jx) failed", (uintmax_t)e->size);		D("vm_map_find(%zx) failed", (size_t)e->size);
goto out_rel;		goto out_rel;
}		}
rv = vm_map_wire(kernel_map, e->kva, e->kva + e->size,		rv = vm_map_wire(kernel_map, e->kva, e->kva + e->size,
VM_MAP_WIRE_SYSTEM \| VM_MAP_WIRE_NOHOLES);		VM_MAP_WIRE_SYSTEM \| VM_MAP_WIRE_NOHOLES);
if (rv != KERN_SUCCESS) {		if (rv != KERN_SUCCESS) {
D("vm_map_wire failed");		D("vm_map_wire failed");
goto out_rem;		goto out_rem;
}		}
▲ Show 20 Lines • Show All 820 Lines • ▼ Show 20 Lines	if (error == ENOENT)
error = ENXIO;		error = ENXIO;
goto out;		goto out;
}		}
error = netmap_ioctl(priv, cmd, data, td, /nr_body_is_user=/1);		error = netmap_ioctl(priv, cmd, data, td, /nr_body_is_user=/1);
out:		out:
CURVNET_RESTORE();		CURVNET_RESTORE();

return error;		return error;
		}

		void
		nm_os_onattach(struct ifnet *ifp)
		{
		}

		void
		nm_os_onenter(struct ifnet *ifp)
		{
		struct netmap_adapter *na = NA(ifp);

		na->if_transmit = ifp->if_transmit;
		ifp->if_transmit = netmap_transmit;
		ifp->if_capenable \|= IFCAP_NETMAP;
		}

		void
		nm_os_onexit(struct ifnet *ifp)
		{
		struct netmap_adapter *na = NA(ifp);

		ifp->if_transmit = na->if_transmit;
		ifp->if_capenable &= ~IFCAP_NETMAP;
}		}

extern struct cdevsw netmap_cdevsw; /* XXX used in netmap.c, should go elsewhere */		extern struct cdevsw netmap_cdevsw; /* XXX used in netmap.c, should go elsewhere */
struct cdevsw netmap_cdevsw = {		struct cdevsw netmap_cdevsw = {
.d_version = D_VERSION,		.d_version = D_VERSION,
.d_name = "netmap",		.d_name = "netmap",
.d_open = netmap_open,		.d_open = netmap_open,
.d_mmap_single = netmap_mmap_single,		.d_mmap_single = netmap_mmap_single,
▲ Show 20 Lines • Show All 67 Lines • Show Last 20 Lines