run a codespell pass to fix several typos

LINUX/README.md

@@ -260,7 +260,7 @@ On the receiver, you should see about 14.88 Mpps
   use the kernel network stack on the other endpoint. This is not a missing
   feature, as the native veth datapath is implemented using netmap pipes, and
   it does not make sense (in terms of performance) for pipes to support
-  conversion betweeen netmap buffers and skbuffs.
+  conversion between netmap buffers and skbuffs.
 
 * pkt-gen traffic does not flow across a Linux bridge.
   Check that source MAC is not 00:00:00:00:00:00 (pkt-gen default), nor

LINUX/archlinux/PKGBUILD

@@ -50,7 +50,7 @@ build() {
     echo "SRCPKGDEST=$SRCPKGDEST"
     echo "PKGDEST=$PKGDEST"
     echo "BUILDDIR=$BUILDDIR"
-    # We force some makepkg variables, trying to ovverride yaourt default behaviour,
+    # We force some makepkg variables, trying to override yaourt default behaviour,
     # which is to download sources in $srcdir/../linux instead of the place where
     # makepkg is invoked
     SRCDEST=$NESTEDDIR SRCPKGDEST=$NESTEDDIR PKGDEST=$NESTEDDIR BUILDDIR=$NESTEDDIR \

LINUX/configure

@@ -301,7 +301,7 @@ Available options:
   --help                       print this message
   --kernel-dir=                path to configured kernel directory
   --kernel-sources=            path to full kernel sources
-  --kernel-version=	       specifiy the kernel version
+  --kernel-version=	       specify the kernel version
   				(assuming everything is in the default place)
   --kernel-opts=	       additional options to pass to kernel make
                                (you can call this several times)
@@ -577,7 +577,7 @@ EOF
 }
 
 configh=netmap_linux_config.h
-# succes/failure actions are expected to write some macros
+# success/failure actions are expected to write some macros
 # in netma_linux_config.h. The following functions can be
 # used to simplify the task.
 
@@ -1014,7 +1014,7 @@ for w in $DISABLED_WARNINGS; do
 done
 
   message " NOTE  " <<EOF
-Running some preliminary tests to customize the build enviroment.
+Running some preliminary tests to customize the build environment.
 EOF
 run_preliminary_tests
 
@@ -1047,7 +1047,7 @@ else
 There were problems copying the sources of driver $1.
 
 If you need this driver, please check that the $1@src variable
-points to the correct path contaning the driver sources.
+points to the correct path containing the driver sources.
 
 Disabling $1.
 EOF

LINUX/default-config.mak.in_

@@ -87,7 +87,7 @@ i40e@prepare := $(if $(filter $(i40e@v),2.12.6 2.14.13),@SRCDIR@/intel-fix.sh i4
 # some additional, driver-specific configuration
 stmmac@conf := CONFIG_STMMAC_ETH
 
-# set all the default versions (can be overrided by --select-version=)
+# set all the default versions (can be overridden by --select-version=)
 $(eval $(call default,ixgbe,5.3.8))
 $(eval $(call default,ixgbevf,4.3.2))
 $(eval $(call default,e1000e,3.4.0.2))

LINUX/if_virtio_net_netmap.h

@@ -752,7 +752,7 @@ virtio_net_netmap_txsync(struct netmap_kring *kring, int flags)
 		virtqueue_kick(vq);
 
 		/* Update hwcur depending on where we stopped. */
-		kring->nr_hwcur = nm_i; /* note we migth break early */
+		kring->nr_hwcur = nm_i; /* note we might break early */
 	}
 out:
 	if (interrupts && vq->num_free < 32)

LINUX/if_vmxnet3_netmap_v2.h

@@ -469,7 +469,7 @@ vmxnet3_netmap_tq_config_tx_buf(struct vmxnet3_tx_queue *tq,
 		PNMB(na, slot + si, &paddr);
 
 		tbi->map_type = VMXNET3_MAP_NONE;
-		/*	the buffer length will get overriden by the actual
+		/*	the buffer length will get overridden by the actual
 		   packet length on transmit */
 		tbi->len      = NETMAP_BUF_SIZE(na);
 		tbi->dma_addr = (dma_addr_t)paddr;

LINUX/ixgbe_netmap_linux.h

@@ -239,7 +239,7 @@ ixgbe_netmap_reg(struct netmap_adapter *na, int onoff)
 	} else {
 		nm_clear_native_flags(na);
 	}
-	/* XXX SRIOV migth need another 2sec wait */
+	/* XXX SRIOV might need another 2sec wait */
 	if (netif_running(adapter->netdev))
 		NM_IXGBE_UP(adapter);	/* also enables intr */
 	clear_bit(NM_IXGBE_RESETTING, &adapter->state);

LINUX/netmap_linux.c

@@ -378,7 +378,7 @@ nm_os_csum_ipv4(struct nm_iphdr *iph)
 }
 
 /* Compute and insert a TCP/UDP checksum over IPv4: 'iph' points to the IPv4
- * header, 'data' points to the TCP/UDP header, 'datalen' is the lenght of
+ * header, 'data' points to the TCP/UDP header, 'datalen' is the length of
  * TCP/UDP header + payload.
  */
 void
@@ -391,7 +391,7 @@ nm_os_csum_tcpudp_ipv4(struct nm_iphdr *iph, void *data,
 }
 
 /* Compute and insert a TCP/UDP checksum over IPv6: 'ip6h' points to the IPv6
- * header, 'data' points to the TCP/UDP header, 'datalen' is the lenght of
+ * header, 'data' points to the TCP/UDP header, 'datalen' is the length of
  * TCP/UDP header + payload.
  */
 void

LINUX/netmap_ptnet.c

@@ -776,7 +776,7 @@ ptnet_irqs_init(struct ptnet_info *pi)
 	pi->msix_entries = kzalloc(sizeof(*pi->msix_entries) * pi->num_rings,
 				   GFP_KERNEL);
 	if (!pi->msix_entries) {
-		pr_err("%s: Failed to allocate msix entires\n", __func__);
+		pr_err("%s: Failed to allocate msix entries\n", __func__);
 		return -ENOMEM;
 	}
 

LINUX/scripts/np

@@ -93,7 +93,7 @@ function need {
 	[ -n "$v" -a -d "$v${2:+/$2}" ] || error "Variable $1 not set or not valid"
 }
 
-## The following enviroment variables must be set:
+## The following environment variables must be set:
 ##
 ##  GITDIR: the absolute path of the netmap linux
 ## 	git repository, containing all the required netmap-*
@@ -223,8 +223,8 @@ function get-src()
 
 ##
 ##  extend <patch> <version>
-##	checks wether the range of applicability of the 
-##	given <patch> can be extented to include <version>.
+##	checks whether the range of applicability of the
+##	given <patch> can be extended to include <version>.
 ##	It returns 0 on success and 1 on failure.
 function extend()
 {
@@ -280,7 +280,7 @@ function minimize()
 	# the original patches (in tmp-patches) are ordered by version number.
 	# We consider one patch in turn (the 'pivot') and try
 	# to extend its range to cover the range of the next
-	# patch. If this succedes, the merged patch is the new
+	# patch. If this succeeds, the merged patch is the new
 	# pivot, otherwise the current pivot is output and the
 	# next patch becomes the new pivot. The process
 	# is repeated until there are no more patches to consider.
@@ -306,7 +306,7 @@ function minimize()
 		# the patch in its final location
 		out=$(scripts/vers vanilla $drv $ple -c $pre -c -S4)
 		cp $pivot final-patches/$out
-		# the new pivot becames the next patch (if any)
+		# the new pivot becomes the next patch (if any)
 		pivot=$1
 		pre=$nre
 		ple=$nle
@@ -428,7 +428,7 @@ function check-patch()
 	local v1=$(scripts/vers $_patch -s -p -C)
 	# extract the right version
 	local v2=$(scripts/vers $_patch -s -C)
-	# extract the uncoverted right version (might be 99999)
+	# extract the unconverted right version (might be 99999)
 	local end=$(scripts/vers $_patch -s)
 	# extract the driver name
 	local driver=$(scripts/vers $_patch -s -p -p)

LINUX/veth_netmap.h

@@ -238,7 +238,7 @@ veth_netmap_attach(struct ifnet *ifp)
 	na.nm_dtor = veth_netmap_dtor;
 	na.num_tx_rings = na.num_rx_rings = 1;
 	netmap_attach_ext(&na, sizeof(struct netmap_veth_adapter),
-			0 /* do not ovveride reg */);
+			0 /* do not override reg */);
 }
 
 /* end of file */

LINUX/virtio_netmap.h

@@ -429,7 +429,7 @@ virtio_netmap_txsync(struct netmap_kring *kring, int flags)
 		virtqueue_kick(vq);
 
 		/* Update hwcur depending on where we stopped. */
-		kring->nr_hwcur = nm_i; /* note we migth break early */
+		kring->nr_hwcur = nm_i; /* note we might break early */
 	}
 out:
 	/* Ask the hypervisor for notifications, possibly only when it has

README.md

@@ -180,7 +180,7 @@ Netmap is able to send packets at very high rates, and for simple
 packet transmission and reception, speed generally not limited by
 the CPU but by other factors (link speed, bus or NIC hw limitations).
 
-For a physical link, the maximum numer of packets per second can
+For a physical link, the maximum number of packets per second can
 be computed with the formula:
 
 	pps = line_rate / (672 + 8 * pkt_size)

README.ptnetmap.md

@@ -146,7 +146,7 @@ support the virtio-net header.
 Netmap is a framework for high performance network I/O. It exposes an
 hardware-independent API which allows userspace application to directly interact
 with NIC hardware rings, in order to receive and transmit Ethernet frames.
-Rings are always accessed in the context of system calls and NIC interrups
+Rings are always accessed in the context of system calls and NIC interrupts
 are used to notify applications about NIC processing completion.
 The performance boost of netmap w.r.t. traditional socket API primarily comes
 from: (i) batching, since it is possible to send/receive hundreds of packets
@@ -227,5 +227,5 @@ A number of device registers are used for configuration (number of rings and
 slots, device MAC address, supported features, ...) while "kick" registers
 are used for guest-to-host notifications.
 The ptnetmap kthread infrastructure, moreover, has been already extended to
-suppor an arbitrary number of rings, where currently each ring is served
+support an arbitrary number of rings, where currently each ring is served
 by a different kernel thread.

WINDOWS/README.txt

@@ -15,7 +15,7 @@ which also build the standard netmap test program, pkt-gen.
 	ports.  Performance is similar to that on FreeBSD and Linux:
 	20Mpps on switch ports, over 100 Mpps on pipes.
 
- 	To load the module, do the following (as adminstrator)
+	To load the module, do the following (as administrator)
 
 	    (cd Output-Win8.1Release/netmap-pkg; ./nm-loader l)
 
@@ -42,7 +42,7 @@ which also build the standard netmap test program, pkt-gen.
 		netmap:ethXX
 
 	as the port name. XX is the Windows "interface index" that
-	can be shown with the followin command (or many other ways):
+	can be shown with the following command (or many other ways):
 
 		netsh int ipv4 show interfaces
 
@@ -82,7 +82,7 @@ a) Build with command line tools and MsBuild.exe
 
 	make clean	# will clean output directories
 
-   The output will be found in the directory ./Output-<choosen build type>
+   The output will be found in the directory ./Output-<chosen build type>
 
    Please look at the makefile to select different configurations
 
@@ -161,7 +161,7 @@ native netmap mode available on FreeBSD and Linux).
 	pkt-gen-b -i vale0:a{1 -f rx
 
     NETMAP to HOST ring	about 2.3 Mpps if dropped, 1.8Mpps to windump
-       (replace the '5' with the inteface index from
+       (replace the '5' with the interface index from
 		netsh int ipv4 show interfaces
 
 	pkt-gen-b -i netmap:eth5^ -f tx	# on one vm

WINDOWS/includes/net/ethernet.h

@@ -43,7 +43,7 @@
 #define	M_HASFCS	M_PROTO5	/* FCS included at end of frame */
 
 /*
- * Ethernet CRC32 polynomials (big- and little-endian verions).
+ * Ethernet CRC32 polynomials (big- and little-endian versions).
  */
 #define	ETHER_CRC_POLY_LE	0xedb88320
 #define	ETHER_CRC_POLY_BE	0x04c11db6

WINDOWS/nm-ndis/filter.c

@@ -478,7 +478,7 @@ Routine Description:
 
 Arguments:
 
-    FilterModuleContext - pointer to the filter context stucture
+    FilterModuleContext - pointer to the filter context structure
     PauseParameters     - additional information about the pause
 
 Return Value:
@@ -545,7 +545,7 @@ Routine Description:
 
 Arguments:
 
-    FilterModuleContext - pointer to the filter context stucture.
+    FilterModuleContext - pointer to the filter context structure.
     RestartParameters   - additional information about the restart operation.
 
 Return Value:
@@ -1838,7 +1838,7 @@ Routine Description:
     calls the NdisFCancelSendNetBufferLists to propagate the cancel operation.
 
     If your driver does not queue any send NBLs, you may omit this routine.  
-    NDIS will propagate the cancelation on your behalf more efficiently.
+    NDIS will propagate the cancellation on your behalf more efficiently.
 
 Arguments:
 

apps/dedup/dedup.c

@@ -201,7 +201,7 @@ dedup_fresh_packet(struct dedup *d, const struct netmap_slot *s)
 			rfi -= d->fifo_size;
 
 		fs = d->fifo_slot + rfi;
-		ND("checking %lu %lu: lenghts %u %u buf %d", fi, rfi, fs->len, s->len,
+		ND("checking %lu %lu: lengths %u %u buf %d", fi, rfi, fs->len, s->len,
 				fs->buf_idx);
 
 		if (fs->len != s->len)
@@ -302,7 +302,7 @@ dedup_push_in(struct dedup *d, const struct timeval *now)
 		if (out_space == 0)
 			break;
 
-		/* if the FIFO is full, remove and possibily send
+		/* if the FIFO is full, remove and possibly send
 		 * the oldest packet
 		 */
 		if (dedup_fifo_full(d)) {

apps/lb/lb.c

@@ -498,7 +498,7 @@ init_groups(void)
  * when the need to drop arises, we roll it back to head.
  */
 struct morefrag {
-	uint16_t last_flag;	/* for intput rings */
+	uint16_t last_flag;	/* for input rings */
 	uint32_t last_hash;	/* for input rings */
 	uint32_t shadow_head;	/* for output rings */
 };

apps/pkt-gen/pkt-gen.c

@@ -3149,7 +3149,7 @@ main(int arc, char **argv)
 
 	if (g.virt_header) {
 		/* Set the virtio-net header length, since the user asked
-		 * for it explicitely. */
+		 * for it explicitly. */
 		set_vnet_hdr_len(&g);
 	} else {
 		/* Check whether the netmap port we opened requires us to send

apps/tlem/tlem.c

@@ -64,7 +64,7 @@ In order to get good and predictable performance, it is important
 that threads are pinned to a single core, and it is preferable that
 prod() and cons() for each direction share the cache as much as possible.
 Putting them on two hyperthreads of the same core seems to give
-good results but that shoud be investigated further.
+good results but that should be investigated further.
 
 It also seems useful to use a scheduler (SCHED_FIFO or SCHED_RR)
 that gives more predictable cycles to the CPU, as well as try
@@ -100,7 +100,7 @@ prod()
 
     q-c_reorder (set with the -R command line option) decides
         whether the packet should be temporary hold to emulate
-	packet reordering. To hold a packet, it shuld set
+	packet reordering. To hold a packet, it should set
 	q->cur_hold_delay to a non-zero value. The packet will
 	reenter the stream once the cur_hold_delay has expired.
 
@@ -546,7 +546,7 @@ ec_next(int i)
 
 /* if fname is NULL tlem will run standalone, i.e., in server mode
  * with no possibility for clients to change the configuration.
- * Otherwise, the first tlem instance that successully locks the
+ * Otherwise, the first tlem instance that successfully locks the
  * first four bytes of the configuration file becomes the server.
  * Clients write-lock the rest of the file, to guarantee mutual
  * exclusive configuration updates among them.
@@ -663,7 +663,7 @@ ec_allowclients()
     return 0;
 }
 
-static void ec_activate(struct _qs *q); // foward
+static void ec_activate(struct _qs *q); // forward
 static int
 ec_init(struct _qs *q, struct _ecs *ec, int server)
 {
@@ -863,7 +863,7 @@ struct arp_cmd_q {
 	uint64_t	tail ALIGN_CACHE; /* private to the producer */
 };
 
-/* consumer: extract a new command.  The command slot is not immediatly
+/* consumer: extract a new command.  The command slot is not immediately
  * released, so that at most ARP_CMD_QSIZE messages are read for each
  * cons() loop.
  */
@@ -1193,7 +1193,7 @@ setaffinity(int i)
     }
     maxprio = sched_get_priority_max(SCHED_RR);
     if (maxprio < 0) {
-        ED("Unable to retrive max RR priority, using 10");
+        ED("Unable to retrieve max RR priority, using 10");
         maxprio = 10;
     }
     bzero(&p, sizeof(p));
@@ -1774,7 +1774,7 @@ cons_update_macs(struct pipe_args *pa, void *pkt)
             injected = 1;
         }
     }
-    /* copy negated dst into eh (either brodcast or unicast) */
+    /* copy negated dst into eh (either broadcast or unicast) */
     *(uint32_t *)eh = ~e->eth1;
     *(uint16_t *)((char *)eh + 4) = ~e->eth2;
     /* copy local MAC address into source */
@@ -2238,7 +2238,7 @@ set_max(const char *arg, struct _qs *q)
     return 0;
 }
 
-/* otions that can be specified for each direction */
+/* options that can be specified for each direction */
 struct dir_opt {
     char opt;
     int  flags;
@@ -2434,7 +2434,7 @@ main(int argc, char **argv)
     argc -= optind;
     argv += optind;
 
-    /* map the session area and auto-detect wether we are server or client */
+    /* map the session area and auto-detect whether we are server or client */
     ecf = ec_map(sfname, &server);
     if (ecf == NULL)
         exit(1);